Finding the Third Proportional to 88,512 and 191,158

Step by Step Solution

1. Step 1: Write the proportion equation
   88,512 : 191,158 = 191,158 : x
2. Step 2: Convert to fraction form
   88,512/191,158 = 191,158/x
3. Step 3: Cross multiply
   88,512x = 191,158 × 191,158
4. Step 4: Simplify right side
   88,512x = 36,541,380,964
5. Step 5: Solve for x
   x = 36,541,380,964/88,512
6. Step 6: Final answer
   x = 412,840.98