Finding the Third Proportional to 155,530.50 and 307,404

Step by Step Solution

1. Step 1: Write the proportion equation
   155,530.50 : 307,404 = 307,404 : x
2. Step 2: Convert to fraction form
   155,530.50/307,404 = 307,404/x
3. Step 3: Cross multiply
   155,530.50x = 307,404 × 307,404
4. Step 4: Simplify right side
   155,530.50x = 94,497,219,216
5. Step 5: Solve for x
   x = 94,497,219,216/155,530.50
6. Step 6: Final answer
   x = 607,579.99