Finding the Third Proportional to 49,218.56 and 76,356.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,218.56 : 76,356.56 = 76,356.56 : x
2. Step 2: Convert to fraction form
   49,218.56/76,356.56 = 76,356.56/x
3. Step 3: Cross multiply
   49,218.56x = 76,356.56 × 76,356.56
4. Step 4: Simplify right side
   49,218.56x = 5,830,324,636.82
5. Step 5: Solve for x
   x = 5,830,324,636.82/49,218.56
6. Step 6: Final answer
   x = 118,457.84