Finding the Third Proportional to 28,842.50 and 63,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,842.50 : 63,947.50 = 63,947.50 : x
2. Step 2: Convert to fraction form
   28,842.50/63,947.50 = 63,947.50/x
3. Step 3: Cross multiply
   28,842.50x = 63,947.50 × 63,947.50
4. Step 4: Simplify right side
   28,842.50x = 4,089,282,756.25
5. Step 5: Solve for x
   x = 4,089,282,756.25/28,842.50
6. Step 6: Final answer
   x = 141,779.76