Finding the Third Proportional to 28,153.50 and 61,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,153.50 : 61,147.50 = 61,147.50 : x
2. Step 2: Convert to fraction form
   28,153.50/61,147.50 = 61,147.50/x
3. Step 3: Cross multiply
   28,153.50x = 61,147.50 × 61,147.50
4. Step 4: Simplify right side
   28,153.50x = 3,739,016,756.25
5. Step 5: Solve for x
   x = 3,739,016,756.25/28,153.50
6. Step 6: Final answer
   x = 132,808.24