Finding the Third Proportional to 43,245.50 and 64,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,245.50 : 64,868.50 = 64,868.50 : x
2. Step 2: Convert to fraction form
   43,245.50/64,868.50 = 64,868.50/x
3. Step 3: Cross multiply
   43,245.50x = 64,868.50 × 64,868.50
4. Step 4: Simplify right side
   43,245.50x = 4,207,922,292.25
5. Step 5: Solve for x
   x = 4,207,922,292.25/43,245.50
6. Step 6: Final answer
   x = 97,303.13