Finding the Third Proportional to 372,589,233,536 and 810,460,039,872

Step by Step Solution

1. Step 1: Write the proportion equation
   372,589,233,536 : 810,460,039,872 = 810,460,039,872 : x
2. Step 2: Convert to fraction form
   372,589,233,536/810,460,039,872 = 810,460,039,872/x
3. Step 3: Cross multiply
   372,589,233,536x = 810,460,039,872 × 810,460,039,872
4. Step 4: Simplify right side
   372,589,233,536x = 656,845,476,229,323,870,437,376
5. Step 5: Solve for x
   x = 656,845,476,229,323,870,437,376/372,589,233,536
6. Step 6: Final answer
   x = 1,762,921,247,067.81