Finding the Third Proportional to 28,587 and 43,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,587 : 43,483.50 = 43,483.50 : x
2. Step 2: Convert to fraction form
   28,587/43,483.50 = 43,483.50/x
3. Step 3: Cross multiply
   28,587x = 43,483.50 × 43,483.50
4. Step 4: Simplify right side
   28,587x = 1,890,814,772.25
5. Step 5: Solve for x
   x = 1,890,814,772.25/28,587
6. Step 6: Final answer
   x = 66,142.47