Finding the Third Proportional to 88,490 and 191,055

Step by Step Solution

1. Step 1: Write the proportion equation
   88,490 : 191,055 = 191,055 : x
2. Step 2: Convert to fraction form
   88,490/191,055 = 191,055/x
3. Step 3: Cross multiply
   88,490x = 191,055 × 191,055
4. Step 4: Simplify right side
   88,490x = 36,502,013,025
5. Step 5: Solve for x
   x = 36,502,013,025/88,490
6. Step 6: Final answer
   x = 412,498.73