Finding the Third Proportional to 67,066.88 and 99,446.63

Step by Step Solution

1. Step 1: Write the proportion equation
   67,066.88 : 99,446.63 = 99,446.63 : x
2. Step 2: Convert to fraction form
   67,066.88/99,446.63 = 99,446.63/x
3. Step 3: Cross multiply
   67,066.88x = 99,446.63 × 99,446.63
4. Step 4: Simplify right side
   67,066.88x = 9,889,631,223.89
5. Step 5: Solve for x
   x = 9,889,631,223.89/67,066.88
6. Step 6: Final answer
   x = 147,459.25