Finding the Third Proportional to 336,630 and 736,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   336,630 : 736,603.50 = 736,603.50 : x
2. Step 2: Convert to fraction form
   336,630/736,603.50 = 736,603.50/x
3. Step 3: Cross multiply
   336,630x = 736,603.50 × 736,603.50
4. Step 4: Simplify right side
   336,630x = 542,584,716,212.25
5. Step 5: Solve for x
   x = 542,584,716,212.25/336,630
6. Step 6: Final answer
   x = 1,611,813.31