Finding the Third Proportional to 67,680,911.25 and 103,107,672

Step by Step Solution

1. Step 1: Write the proportion equation
   67,680,911.25 : 103,107,672 = 103,107,672 : x
2. Step 2: Convert to fraction form
   67,680,911.25/103,107,672 = 103,107,672/x
3. Step 3: Cross multiply
   67,680,911.25x = 103,107,672 × 103,107,672
4. Step 4: Simplify right side
   67,680,911.25x = 10,631,192,025,259,584
5. Step 5: Solve for x
   x = 10,631,192,025,259,584/67,680,911.25
6. Step 6: Final answer
   x = 157,078,145.51