Finding the Third Proportional to 17,200.75 and 35,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,200.75 : 35,130.50 = 35,130.50 : x
2. Step 2: Convert to fraction form
   17,200.75/35,130.50 = 35,130.50/x
3. Step 3: Cross multiply
   17,200.75x = 35,130.50 × 35,130.50
4. Step 4: Simplify right side
   17,200.75x = 1,234,152,030.25
5. Step 5: Solve for x
   x = 1,234,152,030.25/17,200.75
6. Step 6: Final answer
   x = 71,749.90