Finding the Third Proportional to 985,584 and 2,118,402

Step by Step Solution

1. Step 1: Write the proportion equation
   985,584 : 2,118,402 = 2,118,402 : x
2. Step 2: Convert to fraction form
   985,584/2,118,402 = 2,118,402/x
3. Step 3: Cross multiply
   985,584x = 2,118,402 × 2,118,402
4. Step 4: Simplify right side
   985,584x = 4,487,627,033,604
5. Step 5: Solve for x
   x = 4,487,627,033,604/985,584
6. Step 6: Final answer
   x = 4,553,266.93