Finding the Third Proportional to 99,775.50 and 118,227.75

Step by Step Solution

1. Step 1: Write the proportion equation
   99,775.50 : 118,227.75 = 118,227.75 : x
2. Step 2: Convert to fraction form
   99,775.50/118,227.75 = 118,227.75/x
3. Step 3: Cross multiply
   99,775.50x = 118,227.75 × 118,227.75
4. Step 4: Simplify right side
   99,775.50x = 13,977,800,870.06
5. Step 5: Solve for x
   x = 13,977,800,870.06/99,775.50
6. Step 6: Final answer
   x = 140,092.52