Finding the Third Proportional to 19,797.13 and 42,688.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,797.13 : 42,688.75 = 42,688.75 : x
2. Step 2: Convert to fraction form
   19,797.13/42,688.75 = 42,688.75/x
3. Step 3: Cross multiply
   19,797.13x = 42,688.75 × 42,688.75
4. Step 4: Simplify right side
   19,797.13x = 1,822,329,376.56
5. Step 5: Solve for x
   x = 1,822,329,376.56/19,797.13
6. Step 6: Final answer
   x = 92,050.20