Finding the Third Proportional to 1,378,189,134 and 2,068,291,665

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,189,134 : 2,068,291,665 = 2,068,291,665 : x
2. Step 2: Convert to fraction form
   1,378,189,134/2,068,291,665 = 2,068,291,665/x
3. Step 3: Cross multiply
   1,378,189,134x = 2,068,291,665 × 2,068,291,665
4. Step 4: Simplify right side
   1,378,189,134x = 4,277,830,411,508,472,320
5. Step 5: Solve for x
   x = 4,277,830,411,508,472,320/1,378,189,134
6. Step 6: Final answer
   x = 3,103,950,180.69