Finding the Third Proportional to 88,572 and 191,616

Step by Step Solution

1. Step 1: Write the proportion equation
   88,572 : 191,616 = 191,616 : x
2. Step 2: Convert to fraction form
   88,572/191,616 = 191,616/x
3. Step 3: Cross multiply
   88,572x = 191,616 × 191,616
4. Step 4: Simplify right side
   88,572x = 36,716,691,456
5. Step 5: Solve for x
   x = 36,716,691,456/88,572
6. Step 6: Final answer
   x = 414,540.62