Finding the Third Proportional to 452,668.50 and 992,385

Step by Step Solution

1. Step 1: Write the proportion equation
   452,668.50 : 992,385 = 992,385 : x
2. Step 2: Convert to fraction form
   452,668.50/992,385 = 992,385/x
3. Step 3: Cross multiply
   452,668.50x = 992,385 × 992,385
4. Step 4: Simplify right side
   452,668.50x = 984,827,988,225
5. Step 5: Solve for x
   x = 984,827,988,225/452,668.50
6. Step 6: Final answer
   x = 2,175,605.30