Finding the Third Proportional to 31,317,354 and 68,793,300

Step by Step Solution

1. Step 1: Write the proportion equation
   31,317,354 : 68,793,300 = 68,793,300 : x
2. Step 2: Convert to fraction form
   31,317,354/68,793,300 = 68,793,300/x
3. Step 3: Cross multiply
   31,317,354x = 68,793,300 × 68,793,300
4. Step 4: Simplify right side
   31,317,354x = 4,732,518,124,890,000
5. Step 5: Solve for x
   x = 4,732,518,124,890,000/31,317,354
6. Step 6: Final answer
   x = 151,114,877.87