Finding the Third Proportional to 660,445.50 and 1,020,434.25

Step by Step Solution

1. Step 1: Write the proportion equation
   660,445.50 : 1,020,434.25 = 1,020,434.25 : x
2. Step 2: Convert to fraction form
   660,445.50/1,020,434.25 = 1,020,434.25/x
3. Step 3: Cross multiply
   660,445.50x = 1,020,434.25 × 1,020,434.25
4. Step 4: Simplify right side
   660,445.50x = 1,041,286,058,573.06
5. Step 5: Solve for x
   x = 1,041,286,058,573.06/660,445.50
6. Step 6: Final answer
   x = 1,576,641.92