Finding the Third Proportional to 155,536.50 and 340,644

Step by Step Solution

1. Step 1: Write the proportion equation
   155,536.50 : 340,644 = 340,644 : x
2. Step 2: Convert to fraction form
   155,536.50/340,644 = 340,644/x
3. Step 3: Cross multiply
   155,536.50x = 340,644 × 340,644
4. Step 4: Simplify right side
   155,536.50x = 116,038,334,736
5. Step 5: Solve for x
   x = 116,038,334,736/155,536.50
6. Step 6: Final answer
   x = 746,052.11