Finding the Third Proportional to 45,135 and 70,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,135 : 70,168.50 = 70,168.50 : x
2. Step 2: Convert to fraction form
   45,135/70,168.50 = 70,168.50/x
3. Step 3: Cross multiply
   45,135x = 70,168.50 × 70,168.50
4. Step 4: Simplify right side
   45,135x = 4,923,618,392.25
5. Step 5: Solve for x
   x = 4,923,618,392.25/45,135
6. Step 6: Final answer
   x = 109,086.48