Finding the Third Proportional to 868,552 and 1,913,792

Step by Step Solution

1. Step 1: Write the proportion equation
   868,552 : 1,913,792 = 1,913,792 : x
2. Step 2: Convert to fraction form
   868,552/1,913,792 = 1,913,792/x
3. Step 3: Cross multiply
   868,552x = 1,913,792 × 1,913,792
4. Step 4: Simplify right side
   868,552x = 3,662,599,819,264
5. Step 5: Solve for x
   x = 3,662,599,819,264/868,552
6. Step 6: Final answer
   x = 4,216,903.33