Finding the Third Proportional to 28,976 and 43,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,976 : 43,870.50 = 43,870.50 : x
2. Step 2: Convert to fraction form
   28,976/43,870.50 = 43,870.50/x
3. Step 3: Cross multiply
   28,976x = 43,870.50 × 43,870.50
4. Step 4: Simplify right side
   28,976x = 1,924,620,770.25
5. Step 5: Solve for x
   x = 1,924,620,770.25/28,976
6. Step 6: Final answer
   x = 66,421.20