Finding the Third Proportional to 336,649.50 and 736,650

Step by Step Solution

1. Step 1: Write the proportion equation
   336,649.50 : 736,650 = 736,650 : x
2. Step 2: Convert to fraction form
   336,649.50/736,650 = 736,650/x
3. Step 3: Cross multiply
   336,649.50x = 736,650 × 736,650
4. Step 4: Simplify right side
   336,649.50x = 542,653,222,500
5. Step 5: Solve for x
   x = 542,653,222,500/336,649.50
6. Step 6: Final answer
   x = 1,611,923.45