Finding the Third Proportional to 116,862 and 251,178.75

Step by Step Solution

1. Step 1: Write the proportion equation
   116,862 : 251,178.75 = 251,178.75 : x
2. Step 2: Convert to fraction form
   116,862/251,178.75 = 251,178.75/x
3. Step 3: Cross multiply
   116,862x = 251,178.75 × 251,178.75
4. Step 4: Simplify right side
   116,862x = 63,090,764,451.56
5. Step 5: Solve for x
   x = 63,090,764,451.56/116,862
6. Step 6: Final answer
   x = 539,874.08