Finding the Third Proportional to 297,618.75 and 456,042

Step by Step Solution

1. Step 1: Write the proportion equation
   297,618.75 : 456,042 = 456,042 : x
2. Step 2: Convert to fraction form
   297,618.75/456,042 = 456,042/x
3. Step 3: Cross multiply
   297,618.75x = 456,042 × 456,042
4. Step 4: Simplify right side
   297,618.75x = 207,974,305,764
5. Step 5: Solve for x
   x = 207,974,305,764/297,618.75
6. Step 6: Final answer
   x = 698,794.37