Finding the Third Proportional to 155,683.50 and 338,583

Step by Step Solution

1. Step 1: Write the proportion equation
   155,683.50 : 338,583 = 338,583 : x
2. Step 2: Convert to fraction form
   155,683.50/338,583 = 338,583/x
3. Step 3: Cross multiply
   155,683.50x = 338,583 × 338,583
4. Step 4: Simplify right side
   155,683.50x = 114,638,447,889
5. Step 5: Solve for x
   x = 114,638,447,889/155,683.50
6. Step 6: Final answer
   x = 736,355.80