Finding the Third Proportional to 1,555,802,817,735 and 3,371,316,404,622

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,802,817,735 : 3,371,316,404,622 = 3,371,316,404,622 : x
2. Step 2: Convert to fraction form
   1,555,802,817,735/3,371,316,404,622 = 3,371,316,404,622/x
3. Step 3: Cross multiply
   1,555,802,817,735x = 3,371,316,404,622 × 3,371,316,404,622
4. Step 4: Simplify right side
   1,555,802,817,735x = 11,365,774,300,073,409,478,918,144
5. Step 5: Solve for x
   x = 11,365,774,300,073,409,478,918,144/1,555,802,817,735
6. Step 6: Final answer
   x = 7,305,407,967,199.96