Finding the Third Proportional to 43,878.50 and 70,662.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,878.50 : 70,662.75 = 70,662.75 : x
2. Step 2: Convert to fraction form
   43,878.50/70,662.75 = 70,662.75/x
3. Step 3: Cross multiply
   43,878.50x = 70,662.75 × 70,662.75
4. Step 4: Simplify right side
   43,878.50x = 4,993,224,237.56
5. Step 5: Solve for x
   x = 4,993,224,237.56/43,878.50
6. Step 6: Final answer
   x = 113,796.60