Finding the Third Proportional to 86,356.13 and 116,776.69

Step by Step Solution

1. Step 1: Write the proportion equation
   86,356.13 : 116,776.69 = 116,776.69 : x
2. Step 2: Convert to fraction form
   86,356.13/116,776.69 = 116,776.69/x
3. Step 3: Cross multiply
   86,356.13x = 116,776.69 × 116,776.69
4. Step 4: Simplify right side
   86,356.13x = 13,636,794,743.47
5. Step 5: Solve for x
   x = 13,636,794,743.47/86,356.13
6. Step 6: Final answer
   x = 157,913.46