Finding the Third Proportional to 72,722,317 and 156,982,152

Step by Step Solution

1. Step 1: Write the proportion equation
   72,722,317 : 156,982,152 = 156,982,152 : x
2. Step 2: Convert to fraction form
   72,722,317/156,982,152 = 156,982,152/x
3. Step 3: Cross multiply
   72,722,317x = 156,982,152 × 156,982,152
4. Step 4: Simplify right side
   72,722,317x = 24,643,396,046,551,104
5. Step 5: Solve for x
   x = 24,643,396,046,551,104/72,722,317
6. Step 6: Final answer
   x = 338,869,786.65