Finding the Third Proportional to 635,829.50 and 891,113

Step by Step Solution

1. Step 1: Write the proportion equation
   635,829.50 : 891,113 = 891,113 : x
2. Step 2: Convert to fraction form
   635,829.50/891,113 = 891,113/x
3. Step 3: Cross multiply
   635,829.50x = 891,113 × 891,113
4. Step 4: Simplify right side
   635,829.50x = 794,082,378,769
5. Step 5: Solve for x
   x = 794,082,378,769/635,829.50
6. Step 6: Final answer
   x = 1,248,892.00