Finding the Third Proportional to 19,490.25 and 42,816.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,490.25 : 42,816.25 = 42,816.25 : x
2. Step 2: Convert to fraction form
   19,490.25/42,816.25 = 42,816.25/x
3. Step 3: Cross multiply
   19,490.25x = 42,816.25 × 42,816.25
4. Step 4: Simplify right side
   19,490.25x = 1,833,231,264.06
5. Step 5: Solve for x
   x = 1,833,231,264.06/19,490.25
6. Step 6: Final answer
   x = 94,058.89