Finding the Third Proportional to 109,648.50 and 240,237.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,648.50 : 240,237.50 = 240,237.50 : x
2. Step 2: Convert to fraction form
   109,648.50/240,237.50 = 240,237.50/x
3. Step 3: Cross multiply
   109,648.50x = 240,237.50 × 240,237.50
4. Step 4: Simplify right side
   109,648.50x = 57,714,056,406.25
5. Step 5: Solve for x
   x = 57,714,056,406.25/109,648.50
6. Step 6: Final answer
   x = 526,355.18