Finding the Third Proportional to 87,486 and 191,010

Step by Step Solution

1. Step 1: Write the proportion equation
   87,486 : 191,010 = 191,010 : x
2. Step 2: Convert to fraction form
   87,486/191,010 = 191,010/x
3. Step 3: Cross multiply
   87,486x = 191,010 × 191,010
4. Step 4: Simplify right side
   87,486x = 36,484,820,100
5. Step 5: Solve for x
   x = 36,484,820,100/87,486
6. Step 6: Final answer
   x = 417,036.10