Finding the Third Proportional to 67,835.39 and 99,720.70

Step by Step Solution

1. Step 1: Write the proportion equation
   67,835.39 : 99,720.70 = 99,720.70 : x
2. Step 2: Convert to fraction form
   67,835.39/99,720.70 = 99,720.70/x
3. Step 3: Cross multiply
   67,835.39x = 99,720.70 × 99,720.70
4. Step 4: Simplify right side
   67,835.39x = 9,944,218,631.74
5. Step 5: Solve for x
   x = 9,944,218,631.74/67,835.39
6. Step 6: Final answer
   x = 146,593.37