Finding the Third Proportional to 5,612,812 and 12,123,764

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,812 : 12,123,764 = 12,123,764 : x
2. Step 2: Convert to fraction form
   5,612,812/12,123,764 = 12,123,764/x
3. Step 3: Cross multiply
   5,612,812x = 12,123,764 × 12,123,764
4. Step 4: Simplify right side
   5,612,812x = 146,985,653,527,696
5. Step 5: Solve for x
   x = 146,985,653,527,696/5,612,812
6. Step 6: Final answer
   x = 26,187,524.81