Finding the Third Proportional to 762,456 and 1,121,496

Step by Step Solution

1. Step 1: Write the proportion equation
   762,456 : 1,121,496 = 1,121,496 : x
2. Step 2: Convert to fraction form
   762,456/1,121,496 = 1,121,496/x
3. Step 3: Cross multiply
   762,456x = 1,121,496 × 1,121,496
4. Step 4: Simplify right side
   762,456x = 1,257,753,278,016
5. Step 5: Solve for x
   x = 1,257,753,278,016/762,456
6. Step 6: Final answer
   x = 1,649,607.69