Finding the Third Proportional to 28,522.50 and 66,641.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,522.50 : 66,641.25 = 66,641.25 : x
2. Step 2: Convert to fraction form
   28,522.50/66,641.25 = 66,641.25/x
3. Step 3: Cross multiply
   28,522.50x = 66,641.25 × 66,641.25
4. Step 4: Simplify right side
   28,522.50x = 4,441,056,201.56
5. Step 5: Solve for x
   x = 4,441,056,201.56/28,522.50
6. Step 6: Final answer
   x = 155,703.61