Finding the Third Proportional to 868,518 and 1,913,727

Step by Step Solution

1. Step 1: Write the proportion equation
   868,518 : 1,913,727 = 1,913,727 : x
2. Step 2: Convert to fraction form
   868,518/1,913,727 = 1,913,727/x
3. Step 3: Cross multiply
   868,518x = 1,913,727 × 1,913,727
4. Step 4: Simplify right side
   868,518x = 3,662,351,030,529
5. Step 5: Solve for x
   x = 3,662,351,030,529/868,518
6. Step 6: Final answer
   x = 4,216,781.96