Finding the Third Proportional to 371,587.50 and 817,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,587.50 : 817,168.50 = 817,168.50 : x
2. Step 2: Convert to fraction form
   371,587.50/817,168.50 = 817,168.50/x
3. Step 3: Cross multiply
   371,587.50x = 817,168.50 × 817,168.50
4. Step 4: Simplify right side
   371,587.50x = 667,764,357,392.25
5. Step 5: Solve for x
   x = 667,764,357,392.25/371,587.50
6. Step 6: Final answer
   x = 1,797,058.18