Finding the Third Proportional to 69,551,718 and 102,200,902.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,551,718 : 102,200,902.50 = 102,200,902.50 : x
2. Step 2: Convert to fraction form
   69,551,718/102,200,902.50 = 102,200,902.50/x
3. Step 3: Cross multiply
   69,551,718x = 102,200,902.50 × 102,200,902.50
4. Step 4: Simplify right side
   69,551,718x = 10,445,024,471,814,506
5. Step 5: Solve for x
   x = 10,445,024,471,814,506/69,551,718
6. Step 6: Final answer
   x = 150,176,369.07