Finding the Third Proportional to 42,258 and 88,586

Step by Step Solution

1. Step 1: Write the proportion equation
   42,258 : 88,586 = 88,586 : x
2. Step 2: Convert to fraction form
   42,258/88,586 = 88,586/x
3. Step 3: Cross multiply
   42,258x = 88,586 × 88,586
4. Step 4: Simplify right side
   42,258x = 7,847,479,396
5. Step 5: Solve for x
   x = 7,847,479,396/42,258
6. Step 6: Final answer
   x = 185,703.99