Finding the Third Proportional to 423,643.50 and 932,580

Step by Step Solution

1. Step 1: Write the proportion equation
   423,643.50 : 932,580 = 932,580 : x
2. Step 2: Convert to fraction form
   423,643.50/932,580 = 932,580/x
3. Step 3: Cross multiply
   423,643.50x = 932,580 × 932,580
4. Step 4: Simplify right side
   423,643.50x = 869,705,456,400
5. Step 5: Solve for x
   x = 869,705,456,400/423,643.50
6. Step 6: Final answer
   x = 2,052,918.21