Finding the Third Proportional to 31,656 and 69,632

Step by Step Solution

1. Step 1: Write the proportion equation
   31,656 : 69,632 = 69,632 : x
2. Step 2: Convert to fraction form
   31,656/69,632 = 69,632/x
3. Step 3: Cross multiply
   31,656x = 69,632 × 69,632
4. Step 4: Simplify right side
   31,656x = 4,848,615,424
5. Step 5: Solve for x
   x = 4,848,615,424/31,656
6. Step 6: Final answer
   x = 153,165.76