Finding the Third Proportional to 68,129,610 and 147,759,012

Step by Step Solution

1. Step 1: Write the proportion equation
   68,129,610 : 147,759,012 = 147,759,012 : x
2. Step 2: Convert to fraction form
   68,129,610/147,759,012 = 147,759,012/x
3. Step 3: Cross multiply
   68,129,610x = 147,759,012 × 147,759,012
4. Step 4: Simplify right side
   68,129,610x = 21,832,725,627,216,144
5. Step 5: Solve for x
   x = 21,832,725,627,216,144/68,129,610
6. Step 6: Final answer
   x = 320,458,690.83