Finding the Third Proportional to 43,213.50 and 53,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,213.50 : 53,149.50 = 53,149.50 : x
2. Step 2: Convert to fraction form
   43,213.50/53,149.50 = 53,149.50/x
3. Step 3: Cross multiply
   43,213.50x = 53,149.50 × 53,149.50
4. Step 4: Simplify right side
   43,213.50x = 2,824,869,350.25
5. Step 5: Solve for x
   x = 2,824,869,350.25/43,213.50
6. Step 6: Final answer
   x = 65,370.07