Finding the Third Proportional to 28,290.50 and 61,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,290.50 : 61,653.50 = 61,653.50 : x
2. Step 2: Convert to fraction form
   28,290.50/61,653.50 = 61,653.50/x
3. Step 3: Cross multiply
   28,290.50x = 61,653.50 × 61,653.50
4. Step 4: Simplify right side
   28,290.50x = 3,801,154,062.25
5. Step 5: Solve for x
   x = 3,801,154,062.25/28,290.50
6. Step 6: Final answer
   x = 134,361.50