Finding the Third Proportional to 67,758,683 and 91,422,372

Step by Step Solution

1. Step 1: Write the proportion equation
   67,758,683 : 91,422,372 = 91,422,372 : x
2. Step 2: Convert to fraction form
   67,758,683/91,422,372 = 91,422,372/x
3. Step 3: Cross multiply
   67,758,683x = 91,422,372 × 91,422,372
4. Step 4: Simplify right side
   67,758,683x = 8,358,050,102,106,384
5. Step 5: Solve for x
   x = 8,358,050,102,106,384/67,758,683
6. Step 6: Final answer
   x = 123,350,244.31