Finding the Third Proportional to 28,468.50 and 45,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,468.50 : 45,739.50 = 45,739.50 : x
2. Step 2: Convert to fraction form
   28,468.50/45,739.50 = 45,739.50/x
3. Step 3: Cross multiply
   28,468.50x = 45,739.50 × 45,739.50
4. Step 4: Simplify right side
   28,468.50x = 2,092,101,860.25
5. Step 5: Solve for x
   x = 2,092,101,860.25/28,468.50
6. Step 6: Final answer
   x = 73,488.31