Finding the Third Proportional to 416,403 and 904,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   416,403 : 904,156.50 = 904,156.50 : x
2. Step 2: Convert to fraction form
   416,403/904,156.50 = 904,156.50/x
3. Step 3: Cross multiply
   416,403x = 904,156.50 × 904,156.50
4. Step 4: Simplify right side
   416,403x = 817,498,976,492.25
5. Step 5: Solve for x
   x = 817,498,976,492.25/416,403
6. Step 6: Final answer
   x = 1,963,239.88