Finding the Third Proportional to 76,977.84 and 118,086.61

Step by Step Solution

1. Step 1: Write the proportion equation
   76,977.84 : 118,086.61 = 118,086.61 : x
2. Step 2: Convert to fraction form
   76,977.84/118,086.61 = 118,086.61/x
3. Step 3: Cross multiply
   76,977.84x = 118,086.61 × 118,086.61
4. Step 4: Simplify right side
   76,977.84x = 13,944,447,313.68
5. Step 5: Solve for x
   x = 13,944,447,313.68/76,977.84
6. Step 6: Final answer
   x = 181,148.84