Finding the Third Proportional to 28,584 and 63,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,584 : 63,724.50 = 63,724.50 : x
2. Step 2: Convert to fraction form
   28,584/63,724.50 = 63,724.50/x
3. Step 3: Cross multiply
   28,584x = 63,724.50 × 63,724.50
4. Step 4: Simplify right side
   28,584x = 4,060,811,900.25
5. Step 5: Solve for x
   x = 4,060,811,900.25/28,584
6. Step 6: Final answer
   x = 142,065.91