Finding the Third Proportional to 188,464.50 and 291,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,464.50 : 291,445.50 = 291,445.50 : x
2. Step 2: Convert to fraction form
   188,464.50/291,445.50 = 291,445.50/x
3. Step 3: Cross multiply
   188,464.50x = 291,445.50 × 291,445.50
4. Step 4: Simplify right side
   188,464.50x = 84,940,479,470.25
5. Step 5: Solve for x
   x = 84,940,479,470.25/188,464.50
6. Step 6: Final answer
   x = 450,697.50