Finding the Third Proportional to 155,940 and 336,807.75

Step by Step Solution

1. Step 1: Write the proportion equation
   155,940 : 336,807.75 = 336,807.75 : x
2. Step 2: Convert to fraction form
   155,940/336,807.75 = 336,807.75/x
3. Step 3: Cross multiply
   155,940x = 336,807.75 × 336,807.75
4. Step 4: Simplify right side
   155,940x = 113,439,460,460.06
5. Step 5: Solve for x
   x = 113,439,460,460.06/155,940
6. Step 6: Final answer
   x = 727,455.82