Finding the Third Proportional to 416,328.50 and 865,382

Step by Step Solution

1. Step 1: Write the proportion equation
   416,328.50 : 865,382 = 865,382 : x
2. Step 2: Convert to fraction form
   416,328.50/865,382 = 865,382/x
3. Step 3: Cross multiply
   416,328.50x = 865,382 × 865,382
4. Step 4: Simplify right side
   416,328.50x = 748,886,005,924
5. Step 5: Solve for x
   x = 748,886,005,924/416,328.50
6. Step 6: Final answer
   x = 1,798,786.31