Finding the Third Proportional to 19,615.50 and 42,467.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,615.50 : 42,467.63 = 42,467.63 : x
2. Step 2: Convert to fraction form
   19,615.50/42,467.63 = 42,467.63/x
3. Step 3: Cross multiply
   19,615.50x = 42,467.63 × 42,467.63
4. Step 4: Simplify right side
   19,615.50x = 1,803,499,173.14
5. Step 5: Solve for x
   x = 1,803,499,173.14/19,615.50
6. Step 6: Final answer
   x = 91,942.55