Finding the Third Proportional to 31,464,136 and 68,647,520

Step by Step Solution

1. Step 1: Write the proportion equation
   31,464,136 : 68,647,520 = 68,647,520 : x
2. Step 2: Convert to fraction form
   31,464,136/68,647,520 = 68,647,520/x
3. Step 3: Cross multiply
   31,464,136x = 68,647,520 × 68,647,520
4. Step 4: Simplify right side
   31,464,136x = 4,712,482,002,150,400
5. Step 5: Solve for x
   x = 4,712,482,002,150,400/31,464,136
6. Step 6: Final answer
   x = 149,773,125.89