Finding the Third Proportional to 28,977.75 and 45,920.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,977.75 : 45,920.25 = 45,920.25 : x
2. Step 2: Convert to fraction form
   28,977.75/45,920.25 = 45,920.25/x
3. Step 3: Cross multiply
   28,977.75x = 45,920.25 × 45,920.25
4. Step 4: Simplify right side
   28,977.75x = 2,108,669,360.06
5. Step 5: Solve for x
   x = 2,108,669,360.06/28,977.75
6. Step 6: Final answer
   x = 72,768.57