Finding the Third Proportional to 66,483 and 99,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,483 : 99,499.50 = 99,499.50 : x
2. Step 2: Convert to fraction form
   66,483/99,499.50 = 99,499.50/x
3. Step 3: Cross multiply
   66,483x = 99,499.50 × 99,499.50
4. Step 4: Simplify right side
   66,483x = 9,900,150,500.25
5. Step 5: Solve for x
   x = 9,900,150,500.25/66,483
6. Step 6: Final answer
   x = 148,912.51