Finding the Third Proportional to 28,759.50 and 45,123.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,759.50 : 45,123.75 = 45,123.75 : x
2. Step 2: Convert to fraction form
   28,759.50/45,123.75 = 45,123.75/x
3. Step 3: Cross multiply
   28,759.50x = 45,123.75 × 45,123.75
4. Step 4: Simplify right side
   28,759.50x = 2,036,152,814.06
5. Step 5: Solve for x
   x = 2,036,152,814.06/28,759.50
6. Step 6: Final answer
   x = 70,799.31