Finding the Third Proportional to 19,435.50 and 40,254.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,435.50 : 40,254.56 = 40,254.56 : x
2. Step 2: Convert to fraction form
   19,435.50/40,254.56 = 40,254.56/x
3. Step 3: Cross multiply
   19,435.50x = 40,254.56 × 40,254.56
4. Step 4: Simplify right side
   19,435.50x = 1,620,429,802.07
5. Step 5: Solve for x
   x = 1,620,429,802.07/19,435.50
6. Step 6: Final answer
   x = 83,374.74