Finding the Third Proportional to 342,151.50 and 799,488

Step by Step Solution

1. Step 1: Write the proportion equation
   342,151.50 : 799,488 = 799,488 : x
2. Step 2: Convert to fraction form
   342,151.50/799,488 = 799,488/x
3. Step 3: Cross multiply
   342,151.50x = 799,488 × 799,488
4. Step 4: Simplify right side
   342,151.50x = 639,181,062,144
5. Step 5: Solve for x
   x = 639,181,062,144/342,151.50
6. Step 6: Final answer
   x = 1,868,122.93