Finding the Third Proportional to 85,360.50 and 186,948

Step by Step Solution

1. Step 1: Write the proportion equation
   85,360.50 : 186,948 = 186,948 : x
2. Step 2: Convert to fraction form
   85,360.50/186,948 = 186,948/x
3. Step 3: Cross multiply
   85,360.50x = 186,948 × 186,948
4. Step 4: Simplify right side
   85,360.50x = 34,949,554,704
5. Step 5: Solve for x
   x = 34,949,554,704/85,360.50
6. Step 6: Final answer
   x = 409,434.75