Finding the Third Proportional to 393,552 and 869,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   393,552 : 869,797.50 = 869,797.50 : x
2. Step 2: Convert to fraction form
   393,552/869,797.50 = 869,797.50/x
3. Step 3: Cross multiply
   393,552x = 869,797.50 × 869,797.50
4. Step 4: Simplify right side
   393,552x = 756,547,691,006.25
5. Step 5: Solve for x
   x = 756,547,691,006.25/393,552
6. Step 6: Final answer
   x = 1,922,357.63