Finding the Third Proportional to 42,355.50 and 88,219.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,355.50 : 88,219.50 = 88,219.50 : x
2. Step 2: Convert to fraction form
   42,355.50/88,219.50 = 88,219.50/x
3. Step 3: Cross multiply
   42,355.50x = 88,219.50 × 88,219.50
4. Step 4: Simplify right side
   42,355.50x = 7,782,680,180.25
5. Step 5: Solve for x
   x = 7,782,680,180.25/42,355.50
6. Step 6: Final answer
   x = 183,746.63