Finding the Third Proportional to 1,515,845,802 and 3,298,613,267

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,845,802 : 3,298,613,267 = 3,298,613,267 : x
2. Step 2: Convert to fraction form
   1,515,845,802/3,298,613,267 = 3,298,613,267/x
3. Step 3: Cross multiply
   1,515,845,802x = 3,298,613,267 × 3,298,613,267
4. Step 4: Simplify right side
   1,515,845,802x = 10,880,849,485,228,412,928
5. Step 5: Solve for x
   x = 10,880,849,485,228,412,928/1,515,845,802
6. Step 6: Final answer
   x = 7,178,071,457.45