Finding the Third Proportional to 31,563,118.50 and 67,920,141

Step by Step Solution

1. Step 1: Write the proportion equation
   31,563,118.50 : 67,920,141 = 67,920,141 : x
2. Step 2: Convert to fraction form
   31,563,118.50/67,920,141 = 67,920,141/x
3. Step 3: Cross multiply
   31,563,118.50x = 67,920,141 × 67,920,141
4. Step 4: Simplify right side
   31,563,118.50x = 4,613,145,553,459,881
5. Step 5: Solve for x
   x = 4,613,145,553,459,881/31,563,118.50
6. Step 6: Final answer
   x = 146,156,202.96