Finding the Third Proportional to 81,769.50 and 99,063

Step by Step Solution

1. Step 1: Write the proportion equation
   81,769.50 : 99,063 = 99,063 : x
2. Step 2: Convert to fraction form
   81,769.50/99,063 = 99,063/x
3. Step 3: Cross multiply
   81,769.50x = 99,063 × 99,063
4. Step 4: Simplify right side
   81,769.50x = 9,813,477,969
5. Step 5: Solve for x
   x = 9,813,477,969/81,769.50
6. Step 6: Final answer
   x = 120,013.92