Finding the Third Proportional to 28,890.42 and 45,841.57

Step by Step Solution

1. Step 1: Write the proportion equation
   28,890.42 : 45,841.57 = 45,841.57 : x
2. Step 2: Convert to fraction form
   28,890.42/45,841.57 = 45,841.57/x
3. Step 3: Cross multiply
   28,890.42x = 45,841.57 × 45,841.57
4. Step 4: Simplify right side
   28,890.42x = 2,101,449,568.72
5. Step 5: Solve for x
   x = 2,101,449,568.72/28,890.42
6. Step 6: Final answer
   x = 72,738.63