Finding the Third Proportional to 85,160 and 179,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,160 : 179,139.50 = 179,139.50 : x
2. Step 2: Convert to fraction form
   85,160/179,139.50 = 179,139.50/x
3. Step 3: Cross multiply
   85,160x = 179,139.50 × 179,139.50
4. Step 4: Simplify right side
   85,160x = 32,090,960,460.25
5. Step 5: Solve for x
   x = 32,090,960,460.25/85,160
6. Step 6: Final answer
   x = 376,831.38