Finding the Third Proportional to 49,491 and 74,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,491 : 74,662.50 = 74,662.50 : x
2. Step 2: Convert to fraction form
   49,491/74,662.50 = 74,662.50/x
3. Step 3: Cross multiply
   49,491x = 74,662.50 × 74,662.50
4. Step 4: Simplify right side
   49,491x = 5,574,488,906.25
5. Step 5: Solve for x
   x = 5,574,488,906.25/49,491
6. Step 6: Final answer
   x = 112,636.42