Finding the Third Proportional to 31,955 and 69,487

Step by Step Solution

1. Step 1: Write the proportion equation
   31,955 : 69,487 = 69,487 : x
2. Step 2: Convert to fraction form
   31,955/69,487 = 69,487/x
3. Step 3: Cross multiply
   31,955x = 69,487 × 69,487
4. Step 4: Simplify right side
   31,955x = 4,828,443,169
5. Step 5: Solve for x
   x = 4,828,443,169/31,955
6. Step 6: Final answer
   x = 151,101.34