Finding the Third Proportional to 904,211 and 1,231,380

Step by Step Solution

1. Step 1: Write the proportion equation
   904,211 : 1,231,380 = 1,231,380 : x
2. Step 2: Convert to fraction form
   904,211/1,231,380 = 1,231,380/x
3. Step 3: Cross multiply
   904,211x = 1,231,380 × 1,231,380
4. Step 4: Simplify right side
   904,211x = 1,516,296,704,400
5. Step 5: Solve for x
   x = 1,516,296,704,400/904,211
6. Step 6: Final answer
   x = 1,676,927.96