Finding the Third Proportional to 15,881.38 and 34,505.05

Step by Step Solution

1. Step 1: Write the proportion equation
   15,881.38 : 34,505.05 = 34,505.05 : x
2. Step 2: Convert to fraction form
   15,881.38/34,505.05 = 34,505.05/x
3. Step 3: Cross multiply
   15,881.38x = 34,505.05 × 34,505.05
4. Step 4: Simplify right side
   15,881.38x = 1,190,598,529.42
5. Step 5: Solve for x
   x = 1,190,598,529.42/15,881.38
6. Step 6: Final answer
   x = 74,968.21