Finding the Third Proportional to 103,479.50 and 186,405

Step by Step Solution

1. Step 1: Write the proportion equation
   103,479.50 : 186,405 = 186,405 : x
2. Step 2: Convert to fraction form
   103,479.50/186,405 = 186,405/x
3. Step 3: Cross multiply
   103,479.50x = 186,405 × 186,405
4. Step 4: Simplify right side
   103,479.50x = 34,746,824,025
5. Step 5: Solve for x
   x = 34,746,824,025/103,479.50
6. Step 6: Final answer
   x = 335,784.61