Finding the Third Proportional to 207,600.75 and 453,978

Step by Step Solution

1. Step 1: Write the proportion equation
   207,600.75 : 453,978 = 453,978 : x
2. Step 2: Convert to fraction form
   207,600.75/453,978 = 453,978/x
3. Step 3: Cross multiply
   207,600.75x = 453,978 × 453,978
4. Step 4: Simplify right side
   207,600.75x = 206,096,024,484
5. Step 5: Solve for x
   x = 206,096,024,484/207,600.75
6. Step 6: Final answer
   x = 992,751.83