Finding the Third Proportional to 985,300 and 2,132,540

Step by Step Solution

1. Step 1: Write the proportion equation
   985,300 : 2,132,540 = 2,132,540 : x
2. Step 2: Convert to fraction form
   985,300/2,132,540 = 2,132,540/x
3. Step 3: Cross multiply
   985,300x = 2,132,540 × 2,132,540
4. Step 4: Simplify right side
   985,300x = 4,547,726,851,600
5. Step 5: Solve for x
   x = 4,547,726,851,600/985,300
6. Step 6: Final answer
   x = 4,615,575.82