Finding the Third Proportional to 31,436 and 43,260

Step by Step Solution

1. Step 1: Write the proportion equation
   31,436 : 43,260 = 43,260 : x
2. Step 2: Convert to fraction form
   31,436/43,260 = 43,260/x
3. Step 3: Cross multiply
   31,436x = 43,260 × 43,260
4. Step 4: Simplify right side
   31,436x = 1,871,427,600
5. Step 5: Solve for x
   x = 1,871,427,600/31,436
6. Step 6: Final answer
   x = 59,531.35