Finding the Third Proportional to 66,495.75 and 99,793.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,495.75 : 99,793.50 = 99,793.50 : x
2. Step 2: Convert to fraction form
   66,495.75/99,793.50 = 99,793.50/x
3. Step 3: Cross multiply
   66,495.75x = 99,793.50 × 99,793.50
4. Step 4: Simplify right side
   66,495.75x = 9,958,742,642.25
5. Step 5: Solve for x
   x = 9,958,742,642.25/66,495.75
6. Step 6: Final answer
   x = 149,765.10