Finding the Third Proportional to 366,521 and 807,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   366,521 : 807,597.50 = 807,597.50 : x
2. Step 2: Convert to fraction form
   366,521/807,597.50 = 807,597.50/x
3. Step 3: Cross multiply
   366,521x = 807,597.50 × 807,597.50
4. Step 4: Simplify right side
   366,521x = 652,213,722,006.25
5. Step 5: Solve for x
   x = 652,213,722,006.25/366,521
6. Step 6: Final answer
   x = 1,779,471.63