Finding the Third Proportional to 34,360 and 72,408

Step by Step Solution

1. Step 1: Write the proportion equation
   34,360 : 72,408 = 72,408 : x
2. Step 2: Convert to fraction form
   34,360/72,408 = 72,408/x
3. Step 3: Cross multiply
   34,360x = 72,408 × 72,408
4. Step 4: Simplify right side
   34,360x = 5,242,918,464
5. Step 5: Solve for x
   x = 5,242,918,464/34,360
6. Step 6: Final answer
   x = 152,587.85