Finding the Third Proportional to 985,627 and 2,118,499

Step by Step Solution

1. Step 1: Write the proportion equation
   985,627 : 2,118,499 = 2,118,499 : x
2. Step 2: Convert to fraction form
   985,627/2,118,499 = 2,118,499/x
3. Step 3: Cross multiply
   985,627x = 2,118,499 × 2,118,499
4. Step 4: Simplify right side
   985,627x = 4,488,038,013,001
5. Step 5: Solve for x
   x = 4,488,038,013,001/985,627
6. Step 6: Final answer
   x = 4,553,485.26