Finding the Third Proportional to 155,518.50 and 307,380

Step by Step Solution

1. Step 1: Write the proportion equation
   155,518.50 : 307,380 = 307,380 : x
2. Step 2: Convert to fraction form
   155,518.50/307,380 = 307,380/x
3. Step 3: Cross multiply
   155,518.50x = 307,380 × 307,380
4. Step 4: Simplify right side
   155,518.50x = 94,482,464,400
5. Step 5: Solve for x
   x = 94,482,464,400/155,518.50
6. Step 6: Final answer
   x = 607,531.99