Finding the Third Proportional to 28,800 and 43,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,800 : 43,798.50 = 43,798.50 : x
2. Step 2: Convert to fraction form
   28,800/43,798.50 = 43,798.50/x
3. Step 3: Cross multiply
   28,800x = 43,798.50 × 43,798.50
4. Step 4: Simplify right side
   28,800x = 1,918,308,602.25
5. Step 5: Solve for x
   x = 1,918,308,602.25/28,800
6. Step 6: Final answer
   x = 66,607.94