Finding the Third Proportional to 56,818 and 124,003

Step by Step Solution

1. Step 1: Write the proportion equation
   56,818 : 124,003 = 124,003 : x
2. Step 2: Convert to fraction form
   56,818/124,003 = 124,003/x
3. Step 3: Cross multiply
   56,818x = 124,003 × 124,003
4. Step 4: Simplify right side
   56,818x = 15,376,744,009
5. Step 5: Solve for x
   x = 15,376,744,009/56,818
6. Step 6: Final answer
   x = 270,631.56