Finding the Third Proportional to 3,430,724 and 7,305,160

Step by Step Solution

1. Step 1: Write the proportion equation
   3,430,724 : 7,305,160 = 7,305,160 : x
2. Step 2: Convert to fraction form
   3,430,724/7,305,160 = 7,305,160/x
3. Step 3: Cross multiply
   3,430,724x = 7,305,160 × 7,305,160
4. Step 4: Simplify right side
   3,430,724x = 53,365,362,625,600
5. Step 5: Solve for x
   x = 53,365,362,625,600/3,430,724
6. Step 6: Final answer
   x = 15,555,131.40