Finding the Third Proportional to 521,374 and 1,142,406

Step by Step Solution

1. Step 1: Write the proportion equation
   521,374 : 1,142,406 = 1,142,406 : x
2. Step 2: Convert to fraction form
   521,374/1,142,406 = 1,142,406/x
3. Step 3: Cross multiply
   521,374x = 1,142,406 × 1,142,406
4. Step 4: Simplify right side
   521,374x = 1,305,091,468,836
5. Step 5: Solve for x
   x = 1,305,091,468,836/521,374
6. Step 6: Final answer
   x = 2,503,177.12