Finding the Third Proportional to 407,002.50 and 868,041

Step by Step Solution

1. Step 1: Write the proportion equation
   407,002.50 : 868,041 = 868,041 : x
2. Step 2: Convert to fraction form
   407,002.50/868,041 = 868,041/x
3. Step 3: Cross multiply
   407,002.50x = 868,041 × 868,041
4. Step 4: Simplify right side
   407,002.50x = 753,495,177,681
5. Step 5: Solve for x
   x = 753,495,177,681/407,002.50
6. Step 6: Final answer
   x = 1,851,328.13