Finding the Third Proportional to 296,613 and 699,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,613 : 699,886.50 = 699,886.50 : x
2. Step 2: Convert to fraction form
   296,613/699,886.50 = 699,886.50/x
3. Step 3: Cross multiply
   296,613x = 699,886.50 × 699,886.50
4. Step 4: Simplify right side
   296,613x = 489,841,112,882.25
5. Step 5: Solve for x
   x = 489,841,112,882.25/296,613
6. Step 6: Final answer
   x = 1,651,448.56