Finding the Third Proportional to 868,548 and 1,913,784

Step by Step Solution

1. Step 1: Write the proportion equation
   868,548 : 1,913,784 = 1,913,784 : x
2. Step 2: Convert to fraction form
   868,548/1,913,784 = 1,913,784/x
3. Step 3: Cross multiply
   868,548x = 1,913,784 × 1,913,784
4. Step 4: Simplify right side
   868,548x = 3,662,569,198,656
5. Step 5: Solve for x
   x = 3,662,569,198,656/868,548
6. Step 6: Final answer
   x = 4,216,887.49