Finding the Third Proportional to 492,639 and 1,061,244

Step by Step Solution

1. Step 1: Write the proportion equation
   492,639 : 1,061,244 = 1,061,244 : x
2. Step 2: Convert to fraction form
   492,639/1,061,244 = 1,061,244/x
3. Step 3: Cross multiply
   492,639x = 1,061,244 × 1,061,244
4. Step 4: Simplify right side
   492,639x = 1,126,238,827,536
5. Step 5: Solve for x
   x = 1,126,238,827,536/492,639
6. Step 6: Final answer
   x = 2,286,134.12