Finding the Third Proportional to 19,416 and 42,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,416 : 42,490.50 = 42,490.50 : x
2. Step 2: Convert to fraction form
   19,416/42,490.50 = 42,490.50/x
3. Step 3: Cross multiply
   19,416x = 42,490.50 × 42,490.50
4. Step 4: Simplify right side
   19,416x = 1,805,442,590.25
5. Step 5: Solve for x
   x = 1,805,442,590.25/19,416
6. Step 6: Final answer
   x = 92,987.36