Finding the Third Proportional to 71,118 and 152,781.75

Step by Step Solution

1. Step 1: Write the proportion equation
   71,118 : 152,781.75 = 152,781.75 : x
2. Step 2: Convert to fraction form
   71,118/152,781.75 = 152,781.75/x
3. Step 3: Cross multiply
   71,118x = 152,781.75 × 152,781.75
4. Step 4: Simplify right side
   71,118x = 23,342,263,133.06
5. Step 5: Solve for x
   x = 23,342,263,133.06/71,118
6. Step 6: Final answer
   x = 328,218.78