Finding the Third Proportional to 31,254,720 and 67,562,520

Step by Step Solution

1. Step 1: Write the proportion equation
   31,254,720 : 67,562,520 = 67,562,520 : x
2. Step 2: Convert to fraction form
   31,254,720/67,562,520 = 67,562,520/x
3. Step 3: Cross multiply
   31,254,720x = 67,562,520 × 67,562,520
4. Step 4: Simplify right side
   31,254,720x = 4,564,694,108,750,400
5. Step 5: Solve for x
   x = 4,564,694,108,750,400/31,254,720
6. Step 6: Final answer
   x = 146,048,152.37