Finding the Third Proportional to 985,320 and 2,117,976

Step by Step Solution

1. Step 1: Write the proportion equation
   985,320 : 2,117,976 = 2,117,976 : x
2. Step 2: Convert to fraction form
   985,320/2,117,976 = 2,117,976/x
3. Step 3: Cross multiply
   985,320x = 2,117,976 × 2,117,976
4. Step 4: Simplify right side
   985,320x = 4,485,822,336,576
5. Step 5: Solve for x
   x = 4,485,822,336,576/985,320
6. Step 6: Final answer
   x = 4,552,655.32