Finding the Third Proportional to 5,612,586 and 12,123,300

Step by Step Solution

1. Step 1: Write the proportion equation
   5,612,586 : 12,123,300 = 12,123,300 : x
2. Step 2: Convert to fraction form
   5,612,586/12,123,300 = 12,123,300/x
3. Step 3: Cross multiply
   5,612,586x = 12,123,300 × 12,123,300
4. Step 4: Simplify right side
   5,612,586x = 146,974,402,890,000
5. Step 5: Solve for x
   x = 146,974,402,890,000/5,612,586
6. Step 6: Final answer
   x = 26,186,574.76