Finding the Third Proportional to 87,499.62 and 186,993.56

Step by Step Solution

1. Step 1: Write the proportion equation
   87,499.62 : 186,993.56 = 186,993.56 : x
2. Step 2: Convert to fraction form
   87,499.62/186,993.56 = 186,993.56/x
3. Step 3: Cross multiply
   87,499.62x = 186,993.56 × 186,993.56
4. Step 4: Simplify right side
   87,499.62x = 34,966,592,416.44
5. Step 5: Solve for x
   x = 34,966,592,416.44/87,499.62
6. Step 6: Final answer
   x = 399,619.95