Finding the Third Proportional to 19,122.75 and 40,712.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,122.75 : 40,712.63 = 40,712.63 : x
2. Step 2: Convert to fraction form
   19,122.75/40,712.63 = 40,712.63/x
3. Step 3: Cross multiply
   19,122.75x = 40,712.63 × 40,712.63
4. Step 4: Simplify right side
   19,122.75x = 1,657,517,834.39
5. Step 5: Solve for x
   x = 1,657,517,834.39/19,122.75
6. Step 6: Final answer
   x = 86,677.80