Finding the Third Proportional to 5,612,591 and 12,123,310

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,591 : 12,123,310 = 12,123,310 : x
2. Step 2: Convert to fraction form
   5,612,591/12,123,310 = 12,123,310/x
3. Step 3: Cross multiply
   5,612,591x = 12,123,310 × 12,123,310
4. Step 4: Simplify right side
   5,612,591x = 146,974,645,356,100
5. Step 5: Solve for x
   x = 146,974,645,356,100/5,612,591
6. Step 6: Final answer
   x = 26,186,594.63