Finding the Third Proportional to 31,564.13 and 69,066.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,564.13 : 69,066.56 = 69,066.56 : x
2. Step 2: Convert to fraction form
   31,564.13/69,066.56 = 69,066.56/x
3. Step 3: Cross multiply
   31,564.13x = 69,066.56 × 69,066.56
4. Step 4: Simplify right side
   31,564.13x = 4,770,190,055.57
5. Step 5: Solve for x
   x = 4,770,190,055.57/31,564.13
6. Step 6: Final answer
   x = 151,126.95