Finding the Third Proportional to 635,832 and 891,116

Step by Step Solution

1. Step 1: Write the proportion equation
   635,832 : 891,116 = 891,116 : x
2. Step 2: Convert to fraction form
   635,832/891,116 = 891,116/x
3. Step 3: Cross multiply
   635,832x = 891,116 × 891,116
4. Step 4: Simplify right side
   635,832x = 794,087,725,456
5. Step 5: Solve for x
   x = 794,087,725,456/635,832
6. Step 6: Final answer
   x = 1,248,895.50