Finding the Third Proportional to 19,432.31 and 40,246.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,432.31 : 40,246.13 = 40,246.13 : x
2. Step 2: Convert to fraction form
   19,432.31/40,246.13 = 40,246.13/x
3. Step 3: Cross multiply
   19,432.31x = 40,246.13 × 40,246.13
4. Step 4: Simplify right side
   19,432.31x = 1,619,750,577.52
5. Step 5: Solve for x
   x = 1,619,750,577.52/19,432.31
6. Step 6: Final answer
   x = 83,353.46