Finding the Third Proportional to 87,180 and 191,052

Step by Step Solution

1. Step 1: Write the proportion equation
   87,180 : 191,052 = 191,052 : x
2. Step 2: Convert to fraction form
   87,180/191,052 = 191,052/x
3. Step 3: Cross multiply
   87,180x = 191,052 × 191,052
4. Step 4: Simplify right side
   87,180x = 36,500,866,704
5. Step 5: Solve for x
   x = 36,500,866,704/87,180
6. Step 6: Final answer
   x = 418,683.95