Finding the Third Proportional to 921,486 and 1,375,123

Step by Step Solution

1. Step 1: Write the proportion equation
   921,486 : 1,375,123 = 1,375,123 : x
2. Step 2: Convert to fraction form
   921,486/1,375,123 = 1,375,123/x
3. Step 3: Cross multiply
   921,486x = 1,375,123 × 1,375,123
4. Step 4: Simplify right side
   921,486x = 1,890,963,265,129
5. Step 5: Solve for x
   x = 1,890,963,265,129/921,486
6. Step 6: Final answer
   x = 2,052,080.30