Finding the Third Proportional to 19,615.75 and 42,468.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,615.75 : 42,468.13 = 42,468.13 : x
2. Step 2: Convert to fraction form
   19,615.75/42,468.13 = 42,468.13/x
3. Step 3: Cross multiply
   19,615.75x = 42,468.13 × 42,468.13
4. Step 4: Simplify right side
   19,615.75x = 1,803,541,641.02
5. Step 5: Solve for x
   x = 1,803,541,641.02/19,615.75
6. Step 6: Final answer
   x = 91,943.55