Finding the Third Proportional to 72,134 and 155,788

Step by Step Solution

1. Step 1: Write the proportion equation
   72,134 : 155,788 = 155,788 : x
2. Step 2: Convert to fraction form
   72,134/155,788 = 155,788/x
3. Step 3: Cross multiply
   72,134x = 155,788 × 155,788
4. Step 4: Simplify right side
   72,134x = 24,269,900,944
5. Step 5: Solve for x
   x = 24,269,900,944/72,134
6. Step 6: Final answer
   x = 336,455.78