Finding the Third Proportional to 73,408 and 113,429

Step by Step Solution

1. Step 1: Write the proportion equation
   73,408 : 113,429 = 113,429 : x
2. Step 2: Convert to fraction form
   73,408/113,429 = 113,429/x
3. Step 3: Cross multiply
   73,408x = 113,429 × 113,429
4. Step 4: Simplify right side
   73,408x = 12,866,138,041
5. Step 5: Solve for x
   x = 12,866,138,041/73,408
6. Step 6: Final answer
   x = 175,268.88