Finding the Third Proportional to 109,045.50 and 240,042

Step by Step Solution

1. Step 1: Write the proportion equation
   109,045.50 : 240,042 = 240,042 : x
2. Step 2: Convert to fraction form
   109,045.50/240,042 = 240,042/x
3. Step 3: Cross multiply
   109,045.50x = 240,042 × 240,042
4. Step 4: Simplify right side
   109,045.50x = 57,620,161,764
5. Step 5: Solve for x
   x = 57,620,161,764/109,045.50
6. Step 6: Final answer
   x = 528,404.76