Finding the Third Proportional to 634,896 and 861,300

Step by Step Solution

1. Step 1: Write the proportion equation
   634,896 : 861,300 = 861,300 : x
2. Step 2: Convert to fraction form
   634,896/861,300 = 861,300/x
3. Step 3: Cross multiply
   634,896x = 861,300 × 861,300
4. Step 4: Simplify right side
   634,896x = 741,837,690,000
5. Step 5: Solve for x
   x = 741,837,690,000/634,896
6. Step 6: Final answer
   x = 1,168,439.70