Finding the Third Proportional to 29,759.43 and 64,074.40

Step by Step Solution

1. Step 1: Write the proportion equation
   29,759.43 : 64,074.40 = 64,074.40 : x
2. Step 2: Convert to fraction form
   29,759.43/64,074.40 = 64,074.40/x
3. Step 3: Cross multiply
   29,759.43x = 64,074.40 × 64,074.40
4. Step 4: Simplify right side
   29,759.43x = 4,105,528,910.56
5. Step 5: Solve for x
   x = 4,105,528,910.56/29,759.43
6. Step 6: Final answer
   x = 137,957.24