Finding the Third Proportional to 985,260 and 2,117,862

Step by Step Solution

1. Step 1: Write the proportion equation
   985,260 : 2,117,862 = 2,117,862 : x
2. Step 2: Convert to fraction form
   985,260/2,117,862 = 2,117,862/x
3. Step 3: Cross multiply
   985,260x = 2,117,862 × 2,117,862
4. Step 4: Simplify right side
   985,260x = 4,485,339,451,044
5. Step 5: Solve for x
   x = 4,485,339,451,044/985,260
6. Step 6: Final answer
   x = 4,552,442.45