Finding the Third Proportional to 850,516 and 1,155,582

Step by Step Solution

1. Step 1: Write the proportion equation
   850,516 : 1,155,582 = 1,155,582 : x
2. Step 2: Convert to fraction form
   850,516/1,155,582 = 1,155,582/x
3. Step 3: Cross multiply
   850,516x = 1,155,582 × 1,155,582
4. Step 4: Simplify right side
   850,516x = 1,335,369,758,724
5. Step 5: Solve for x
   x = 1,335,369,758,724/850,516
6. Step 6: Final answer
   x = 1,570,070.12