Finding the Third Proportional to 17,835.50 and 42,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,835.50 : 42,179.50 = 42,179.50 : x
2. Step 2: Convert to fraction form
   17,835.50/42,179.50 = 42,179.50/x
3. Step 3: Cross multiply
   17,835.50x = 42,179.50 × 42,179.50
4. Step 4: Simplify right side
   17,835.50x = 1,779,110,220.25
5. Step 5: Solve for x
   x = 1,779,110,220.25/17,835.50
6. Step 6: Final answer
   x = 99,751.07