Finding the Third Proportional to 17,902.50 and 42,110.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,902.50 : 42,110.25 = 42,110.25 : x
2. Step 2: Convert to fraction form
   17,902.50/42,110.25 = 42,110.25/x
3. Step 3: Cross multiply
   17,902.50x = 42,110.25 × 42,110.25
4. Step 4: Simplify right side
   17,902.50x = 1,773,273,155.06
5. Step 5: Solve for x
   x = 1,773,273,155.06/17,902.50
6. Step 6: Final answer
   x = 99,051.71