Finding the Third Proportional to 28,464 and 43,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,464 : 43,978.50 = 43,978.50 : x
2. Step 2: Convert to fraction form
   28,464/43,978.50 = 43,978.50/x
3. Step 3: Cross multiply
   28,464x = 43,978.50 × 43,978.50
4. Step 4: Simplify right side
   28,464x = 1,934,108,462.25
5. Step 5: Solve for x
   x = 1,934,108,462.25/28,464
6. Step 6: Final answer
   x = 67,949.29