Finding the Third Proportional to 16,139 and 34,465

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139 : 34,465 = 34,465 : x
2. Step 2: Convert to fraction form
   16,139/34,465 = 34,465/x
3. Step 3: Cross multiply
   16,139x = 34,465 × 34,465
4. Step 4: Simplify right side
   16,139x = 1,187,836,225
5. Step 5: Solve for x
   x = 1,187,836,225/16,139
6. Step 6: Final answer
   x = 73,600.36