Finding the Third Proportional to 1,868,586 and 4,098,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,586 : 4,098,900 = 4,098,900 : x
2. Step 2: Convert to fraction form
   1,868,586/4,098,900 = 4,098,900/x
3. Step 3: Cross multiply
   1,868,586x = 4,098,900 × 4,098,900
4. Step 4: Simplify right side
   1,868,586x = 16,800,981,210,000
5. Step 5: Solve for x
   x = 16,800,981,210,000/1,868,586
6. Step 6: Final answer
   x = 8,991,280.68