Finding the Third Proportional to 188,068.50 and 291,330

Step by Step Solution

1. Step 1: Write the proportion equation
   188,068.50 : 291,330 = 291,330 : x
2. Step 2: Convert to fraction form
   188,068.50/291,330 = 291,330/x
3. Step 3: Cross multiply
   188,068.50x = 291,330 × 291,330
4. Step 4: Simplify right side
   188,068.50x = 84,873,168,900
5. Step 5: Solve for x
   x = 84,873,168,900/188,068.50
6. Step 6: Final answer
   x = 451,288.59