Finding the Third Proportional to 45,045.75 and 70,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,045.75 : 70,663.50 = 70,663.50 : x
2. Step 2: Convert to fraction form
   45,045.75/70,663.50 = 70,663.50/x
3. Step 3: Cross multiply
   45,045.75x = 70,663.50 × 70,663.50
4. Step 4: Simplify right side
   45,045.75x = 4,993,330,232.25
5. Step 5: Solve for x
   x = 4,993,330,232.25/45,045.75
6. Step 6: Final answer
   x = 110,850.20