Finding the Third Proportional to 67,416.75 and 99,810.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,416.75 : 99,810.75 = 99,810.75 : x
2. Step 2: Convert to fraction form
   67,416.75/99,810.75 = 99,810.75/x
3. Step 3: Cross multiply
   67,416.75x = 99,810.75 × 99,810.75
4. Step 4: Simplify right side
   67,416.75x = 9,962,185,815.56
5. Step 5: Solve for x
   x = 9,962,185,815.56/67,416.75
6. Step 6: Final answer
   x = 147,770.19