Finding the Third Proportional to 31,377,280 and 67,796,346

Step by Step Solution

1. Step 1: Write the proportion equation
   31,377,280 : 67,796,346 = 67,796,346 : x
2. Step 2: Convert to fraction form
   31,377,280/67,796,346 = 67,796,346/x
3. Step 3: Cross multiply
   31,377,280x = 67,796,346 × 67,796,346
4. Step 4: Simplify right side
   31,377,280x = 4,596,344,530,951,716
5. Step 5: Solve for x
   x = 4,596,344,530,951,716/31,377,280
6. Step 6: Final answer
   x = 146,486,391.78