Finding the Third Proportional to 65,108,230,722 and 139,636,972,854

Step by Step Solution

1. Step 1: Write the proportion equation
   65,108,230,722 : 139,636,972,854 = 139,636,972,854 : x
2. Step 2: Convert to fraction form
   65,108,230,722/139,636,972,854 = 139,636,972,854/x
3. Step 3: Cross multiply
   65,108,230,722x = 139,636,972,854 × 139,636,972,854
4. Step 4: Simplify right side
   65,108,230,722x = 19,498,484,187,828,731,248,640
5. Step 5: Solve for x
   x = 19,498,484,187,828,731,248,640/65,108,230,722
6. Step 6: Final answer
   x = 299,478,022,541.94