Finding the Third Proportional to 112,280 and 240,118

Step by Step Solution

1. Step 1: Write the proportion equation
   112,280 : 240,118 = 240,118 : x
2. Step 2: Convert to fraction form
   112,280/240,118 = 240,118/x
3. Step 3: Cross multiply
   112,280x = 240,118 × 240,118
4. Step 4: Simplify right side
   112,280x = 57,656,653,924
5. Step 5: Solve for x
   x = 57,656,653,924/112,280
6. Step 6: Final answer
   x = 513,507.78