Finding the Third Proportional to 985,596 and 2,118,428

Step by Step Solution

1. Step 1: Write the proportion equation
   985,596 : 2,118,428 = 2,118,428 : x
2. Step 2: Convert to fraction form
   985,596/2,118,428 = 2,118,428/x
3. Step 3: Cross multiply
   985,596x = 2,118,428 × 2,118,428
4. Step 4: Simplify right side
   985,596x = 4,487,737,191,184
5. Step 5: Solve for x
   x = 4,487,737,191,184/985,596
6. Step 6: Final answer
   x = 4,553,323.26