Finding the Third Proportional to 42,155.25 and 88,207.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,155.25 : 88,207.50 = 88,207.50 : x
2. Step 2: Convert to fraction form
   42,155.25/88,207.50 = 88,207.50/x
3. Step 3: Cross multiply
   42,155.25x = 88,207.50 × 88,207.50
4. Step 4: Simplify right side
   42,155.25x = 7,780,563,056.25
5. Step 5: Solve for x
   x = 7,780,563,056.25/42,155.25
6. Step 6: Final answer
   x = 184,569.25