Finding the Third Proportional to 549,302.50 and 823,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   549,302.50 : 823,411.50 = 823,411.50 : x
2. Step 2: Convert to fraction form
   549,302.50/823,411.50 = 823,411.50/x
3. Step 3: Cross multiply
   549,302.50x = 823,411.50 × 823,411.50
4. Step 4: Simplify right side
   549,302.50x = 678,006,498,332.25
5. Step 5: Solve for x
   x = 678,006,498,332.25/549,302.50
6. Step 6: Final answer
   x = 1,234,304.41