Finding the Third Proportional to 49,639.50 and 70,949.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,639.50 : 70,949.25 = 70,949.25 : x
2. Step 2: Convert to fraction form
   49,639.50/70,949.25 = 70,949.25/x
3. Step 3: Cross multiply
   49,639.50x = 70,949.25 × 70,949.25
4. Step 4: Simplify right side
   49,639.50x = 5,033,796,075.56
5. Step 5: Solve for x
   x = 5,033,796,075.56/49,639.50
6. Step 6: Final answer
   x = 101,407.07