Finding the Third Proportional to 15,781.78 and 34,532.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,781.78 : 34,532.72 = 34,532.72 : x
2. Step 2: Convert to fraction form
   15,781.78/34,532.72 = 34,532.72/x
3. Step 3: Cross multiply
   15,781.78x = 34,532.72 × 34,532.72
4. Step 4: Simplify right side
   15,781.78x = 1,192,508,664.27
5. Step 5: Solve for x
   x = 1,192,508,664.27/15,781.78
6. Step 6: Final answer
   x = 75,562.36