Finding the Third Proportional to 15,909.75 and 34,347.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,909.75 : 34,347.38 = 34,347.38 : x
2. Step 2: Convert to fraction form
   15,909.75/34,347.38 = 34,347.38/x
3. Step 3: Cross multiply
   15,909.75x = 34,347.38 × 34,347.38
4. Step 4: Simplify right side
   15,909.75x = 1,179,742,169.39
5. Step 5: Solve for x
   x = 1,179,742,169.39/15,909.75
6. Step 6: Final answer
   x = 74,152.15