Finding the Third Proportional to 28,381 and 42,967.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,381 : 42,967.50 = 42,967.50 : x
2. Step 2: Convert to fraction form
   28,381/42,967.50 = 42,967.50/x
3. Step 3: Cross multiply
   28,381x = 42,967.50 × 42,967.50
4. Step 4: Simplify right side
   28,381x = 1,846,206,056.25
5. Step 5: Solve for x
   x = 1,846,206,056.25/28,381
6. Step 6: Final answer
   x = 65,050.78