Finding the Third Proportional to 45,312.75 and 71,408.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,312.75 : 71,408.25 = 71,408.25 : x
2. Step 2: Convert to fraction form
   45,312.75/71,408.25 = 71,408.25/x
3. Step 3: Cross multiply
   45,312.75x = 71,408.25 × 71,408.25
4. Step 4: Simplify right side
   45,312.75x = 5,099,138,168.06
5. Step 5: Solve for x
   x = 5,099,138,168.06/45,312.75
6. Step 6: Final answer
   x = 112,532.08