Finding the Third Proportional to 112,192 and 243,980

Step by Step Solution

1. Step 1: Write the proportion equation
   112,192 : 243,980 = 243,980 : x
2. Step 2: Convert to fraction form
   112,192/243,980 = 243,980/x
3. Step 3: Cross multiply
   112,192x = 243,980 × 243,980
4. Step 4: Simplify right side
   112,192x = 59,526,240,400
5. Step 5: Solve for x
   x = 59,526,240,400/112,192
6. Step 6: Final answer
   x = 530,574.73