Finding the Third Proportional to 904,221 and 1,231,393.50

Step by Step Solution

1. Step 1: Write the proportion equation
   904,221 : 1,231,393.50 = 1,231,393.50 : x
2. Step 2: Convert to fraction form
   904,221/1,231,393.50 = 1,231,393.50/x
3. Step 3: Cross multiply
   904,221x = 1,231,393.50 × 1,231,393.50
4. Step 4: Simplify right side
   904,221x = 1,516,329,951,842.25
5. Step 5: Solve for x
   x = 1,516,329,951,842.25/904,221
6. Step 6: Final answer
   x = 1,676,946.18