Finding the Third Proportional to 59,392 and 87,143

Step by Step Solution

1. Step 1: Write the proportion equation
   59,392 : 87,143 = 87,143 : x
2. Step 2: Convert to fraction form
   59,392/87,143 = 87,143/x
3. Step 3: Cross multiply
   59,392x = 87,143 × 87,143
4. Step 4: Simplify right side
   59,392x = 7,593,902,449
5. Step 5: Solve for x
   x = 7,593,902,449/59,392
6. Step 6: Final answer
   x = 127,860.70