Finding the Third Proportional to 356,591 and 840,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,591 : 840,929.50 = 840,929.50 : x
2. Step 2: Convert to fraction form
   356,591/840,929.50 = 840,929.50/x
3. Step 3: Cross multiply
   356,591x = 840,929.50 × 840,929.50
4. Step 4: Simplify right side
   356,591x = 707,162,423,970.25
5. Step 5: Solve for x
   x = 707,162,423,970.25/356,591
6. Step 6: Final answer
   x = 1,983,119.10