Finding the Third Proportional to 67,564.13 and 90,127.69

Step by Step Solution

1. Step 1: Write the proportion equation
   67,564.13 : 90,127.69 = 90,127.69 : x
2. Step 2: Convert to fraction form
   67,564.13/90,127.69 = 90,127.69/x
3. Step 3: Cross multiply
   67,564.13x = 90,127.69 × 90,127.69
4. Step 4: Simplify right side
   67,564.13x = 8,123,000,054.10
5. Step 5: Solve for x
   x = 8,123,000,054.10/67,564.13
6. Step 6: Final answer
   x = 120,226.53