Finding the Third Proportional to 19,355.75 and 42,402.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,355.75 : 42,402.13 = 42,402.13 : x
2. Step 2: Convert to fraction form
   19,355.75/42,402.13 = 42,402.13/x
3. Step 3: Cross multiply
   19,355.75x = 42,402.13 × 42,402.13
4. Step 4: Simplify right side
   19,355.75x = 1,797,940,204.52
5. Step 5: Solve for x
   x = 1,797,940,204.52/19,355.75
6. Step 6: Final answer
   x = 92,889.20