Finding the Third Proportional to 42,158 and 88,210

Step by Step Solution

1. Step 1: Write the proportion equation
   42,158 : 88,210 = 88,210 : x
2. Step 2: Convert to fraction form
   42,158/88,210 = 88,210/x
3. Step 3: Cross multiply
   42,158x = 88,210 × 88,210
4. Step 4: Simplify right side
   42,158x = 7,781,004,100
5. Step 5: Solve for x
   x = 7,781,004,100/42,158
6. Step 6: Final answer
   x = 184,567.68