Finding the Third Proportional to 993,569,372,636 and 2,161,222,380,856

Step by Step Solution

1. Step 1: Write the proportion equation
   993,569,372,636 : 2,161,222,380,856 = 2,161,222,380,856 : x
2. Step 2: Convert to fraction form
   993,569,372,636/2,161,222,380,856 = 2,161,222,380,856/x
3. Step 3: Cross multiply
   993,569,372,636x = 2,161,222,380,856 × 2,161,222,380,856
4. Step 4: Simplify right side
   993,569,372,636x = 4,670,882,179,512,877,210,140,672
5. Step 5: Solve for x
   x = 4,670,882,179,512,877,210,140,672/993,569,372,636
6. Step 6: Final answer
   x = 4,701,113,287,259.19