Finding the Third Proportional to 296,784 and 699,893.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,784 : 699,893.50 = 699,893.50 : x
2. Step 2: Convert to fraction form
   296,784/699,893.50 = 699,893.50/x
3. Step 3: Cross multiply
   296,784x = 699,893.50 × 699,893.50
4. Step 4: Simplify right side
   296,784x = 489,850,911,342.25
5. Step 5: Solve for x
   x = 489,850,911,342.25/296,784
6. Step 6: Final answer
   x = 1,650,530.05