Finding the Third Proportional to 134,646 and 286,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,646 : 286,786.50 = 286,786.50 : x
2. Step 2: Convert to fraction form
   134,646/286,786.50 = 286,786.50/x
3. Step 3: Cross multiply
   134,646x = 286,786.50 × 286,786.50
4. Step 4: Simplify right side
   134,646x = 82,246,496,582.25
5. Step 5: Solve for x
   x = 82,246,496,582.25/134,646
6. Step 6: Final answer
   x = 610,835.05