Finding the Third Proportional to 2,651,663,238 and 3,686,925,798

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651,663,238 : 3,686,925,798 = 3,686,925,798 : x
2. Step 2: Convert to fraction form
   2,651,663,238/3,686,925,798 = 3,686,925,798/x
3. Step 3: Cross multiply
   2,651,663,238x = 3,686,925,798 × 3,686,925,798
4. Step 4: Simplify right side
   2,651,663,238x = 13,593,421,839,957,936,128
5. Step 5: Solve for x
   x = 13,593,421,839,957,936,128/2,651,663,238
6. Step 6: Final answer
   x = 5,126,375,644.22