Finding the Third Proportional to 671,426,658 and 1,444,890,018

Step by Step Solution

1. Step 1: Write the proportion equation
   671,426,658 : 1,444,890,018 = 1,444,890,018 : x
2. Step 2: Convert to fraction form
   671,426,658/1,444,890,018 = 1,444,890,018/x
3. Step 3: Cross multiply
   671,426,658x = 1,444,890,018 × 1,444,890,018
4. Step 4: Simplify right side
   671,426,658x = 2,087,707,164,116,040,448
5. Step 5: Solve for x
   x = 2,087,707,164,116,040,448/671,426,658
6. Step 6: Final answer
   x = 3,109,359,956.51