Finding the Third Proportional to 12,470,589,850 and 27,136,505,870

Step by Step Solution

1. Step 1: Write the proportion equation
   12,470,589,850 : 27,136,505,870 = 27,136,505,870 : x
2. Step 2: Convert to fraction form
   12,470,589,850/27,136,505,870 = 27,136,505,870/x
3. Step 3: Cross multiply
   12,470,589,850x = 27,136,505,870 × 27,136,505,870
4. Step 4: Simplify right side
   12,470,589,850x = 736,389,950,832,544,448,512
5. Step 5: Solve for x
   x = 736,389,950,832,544,448,512/12,470,589,850
6. Step 6: Final answer
   x = 59,050,129,920.88