Finding the Third Proportional to 521,376 and 1,142,410

Step by Step Solution

1. Step 1: Write the proportion equation
   521,376 : 1,142,410 = 1,142,410 : x
2. Step 2: Convert to fraction form
   521,376/1,142,410 = 1,142,410/x
3. Step 3: Cross multiply
   521,376x = 1,142,410 × 1,142,410
4. Step 4: Simplify right side
   521,376x = 1,305,100,608,100
5. Step 5: Solve for x
   x = 1,305,100,608,100/521,376
6. Step 6: Final answer
   x = 2,503,185.05