Finding the Third Proportional to 19,308.75 and 42,307.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,308.75 : 42,307.75 = 42,307.75 : x
2. Step 2: Convert to fraction form
   19,308.75/42,307.75 = 42,307.75/x
3. Step 3: Cross multiply
   19,308.75x = 42,307.75 × 42,307.75
4. Step 4: Simplify right side
   19,308.75x = 1,789,945,710.06
5. Step 5: Solve for x
   x = 1,789,945,710.06/19,308.75
6. Step 6: Final answer
   x = 92,701.27