Finding the Third Proportional to 56,383.50 and 124,431

Step by Step Solution

1. Step 1: Write the proportion equation
   56,383.50 : 124,431 = 124,431 : x
2. Step 2: Convert to fraction form
   56,383.50/124,431 = 124,431/x
3. Step 3: Cross multiply
   56,383.50x = 124,431 × 124,431
4. Step 4: Simplify right side
   56,383.50x = 15,483,073,761
5. Step 5: Solve for x
   x = 15,483,073,761/56,383.50
6. Step 6: Final answer
   x = 274,602.92