Finding the Third Proportional to 336,658.50 and 736,659

Step by Step Solution

1. Step 1: Write the proportion equation
   336,658.50 : 736,659 = 736,659 : x
2. Step 2: Convert to fraction form
   336,658.50/736,659 = 736,659/x
3. Step 3: Cross multiply
   336,658.50x = 736,659 × 736,659
4. Step 4: Simplify right side
   336,658.50x = 542,666,482,281
5. Step 5: Solve for x
   x = 542,666,482,281/336,658.50
6. Step 6: Final answer
   x = 1,611,919.74