Finding the Third Proportional to 370,663.50 and 813,498

Step by Step Solution

1. Step 1: Write the proportion equation
   370,663.50 : 813,498 = 813,498 : x
2. Step 2: Convert to fraction form
   370,663.50/813,498 = 813,498/x
3. Step 3: Cross multiply
   370,663.50x = 813,498 × 813,498
4. Step 4: Simplify right side
   370,663.50x = 661,778,996,004
5. Step 5: Solve for x
   x = 661,778,996,004/370,663.50
6. Step 6: Final answer
   x = 1,785,390.24