Finding the Third Proportional to 31,438,268 and 49,991,700

Step by Step Solution

1. Step 1: Write the proportion equation
   31,438,268 : 49,991,700 = 49,991,700 : x
2. Step 2: Convert to fraction form
   31,438,268/49,991,700 = 49,991,700/x
3. Step 3: Cross multiply
   31,438,268x = 49,991,700 × 49,991,700
4. Step 4: Simplify right side
   31,438,268x = 2,499,170,068,890,000
5. Step 5: Solve for x
   x = 2,499,170,068,890,000/31,438,268
6. Step 6: Final answer
   x = 79,494,521.42