Finding the Third Proportional to 375,363 and 781,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   375,363 : 781,789.50 = 781,789.50 : x
2. Step 2: Convert to fraction form
   375,363/781,789.50 = 781,789.50/x
3. Step 3: Cross multiply
   375,363x = 781,789.50 × 781,789.50
4. Step 4: Simplify right side
   375,363x = 611,194,822,310.25
5. Step 5: Solve for x
   x = 611,194,822,310.25/375,363
6. Step 6: Final answer
   x = 1,628,276.69