Finding the Third Proportional to 66,504.38 and 97,812.56

Step by Step Solution

1. Step 1: Write the proportion equation
   66,504.38 : 97,812.56 = 97,812.56 : x
2. Step 2: Convert to fraction form
   66,504.38/97,812.56 = 97,812.56/x
3. Step 3: Cross multiply
   66,504.38x = 97,812.56 × 97,812.56
4. Step 4: Simplify right side
   66,504.38x = 9,567,297,382.82
5. Step 5: Solve for x
   x = 9,567,297,382.82/66,504.38
6. Step 6: Final answer
   x = 143,859.67