Finding the Third Proportional to 43,520 and 58,718

Step by Step Solution

1. Step 1: Write the proportion equation
   43,520 : 58,718 = 58,718 : x
2. Step 2: Convert to fraction form
   43,520/58,718 = 58,718/x
3. Step 3: Cross multiply
   43,520x = 58,718 × 58,718
4. Step 4: Simplify right side
   43,520x = 3,447,803,524
5. Step 5: Solve for x
   x = 3,447,803,524/43,520
6. Step 6: Final answer
   x = 79,223.43