Finding the Third Proportional to 5,612,580 and 12,123,288

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,580 : 12,123,288 = 12,123,288 : x
2. Step 2: Convert to fraction form
   5,612,580/12,123,288 = 12,123,288/x
3. Step 3: Cross multiply
   5,612,580x = 12,123,288 × 12,123,288
4. Step 4: Simplify right side
   5,612,580x = 146,974,111,930,944
5. Step 5: Solve for x
   x = 146,974,111,930,944/5,612,580
6. Step 6: Final answer
   x = 26,186,550.91