Finding the Third Proportional to 19,432.13 and 40,246.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,432.13 : 40,246.31 = 40,246.31 : x
2. Step 2: Convert to fraction form
   19,432.13/40,246.31 = 40,246.31/x
3. Step 3: Cross multiply
   19,432.13x = 40,246.31 × 40,246.31
4. Step 4: Simplify right side
   19,432.13x = 1,619,765,669.85
5. Step 5: Solve for x
   x = 1,619,765,669.85/19,432.13
6. Step 6: Final answer
   x = 83,355.05