Finding the Third Proportional to 19,156.50 and 40,631.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,156.50 : 40,631.63 = 40,631.63 : x
2. Step 2: Convert to fraction form
   19,156.50/40,631.63 = 40,631.63/x
3. Step 3: Cross multiply
   19,156.50x = 40,631.63 × 40,631.63
4. Step 4: Simplify right side
   19,156.50x = 1,650,928,950.14
5. Step 5: Solve for x
   x = 1,650,928,950.14/19,156.50
6. Step 6: Final answer
   x = 86,181.14