Finding the Third Proportional to 155,887.50 and 336,684

Step by Step Solution

1. Step 1: Write the proportion equation
   155,887.50 : 336,684 = 336,684 : x
2. Step 2: Convert to fraction form
   155,887.50/336,684 = 336,684/x
3. Step 3: Cross multiply
   155,887.50x = 336,684 × 336,684
4. Step 4: Simplify right side
   155,887.50x = 113,356,115,856
5. Step 5: Solve for x
   x = 113,356,115,856/155,887.50
6. Step 6: Final answer
   x = 727,166.17