Finding the Third Proportional to 19,418 and 42,470.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,418 : 42,470.25 = 42,470.25 : x
2. Step 2: Convert to fraction form
   19,418/42,470.25 = 42,470.25/x
3. Step 3: Cross multiply
   19,418x = 42,470.25 × 42,470.25
4. Step 4: Simplify right side
   19,418x = 1,803,722,135.06
5. Step 5: Solve for x
   x = 1,803,722,135.06/19,418
6. Step 6: Final answer
   x = 92,889.18