Finding the Third Proportional to 866,106,864 and 2,020,985,856

Step by Step Solution

1. Step 1: Write the proportion equation
   866,106,864 : 2,020,985,856 = 2,020,985,856 : x
2. Step 2: Convert to fraction form
   866,106,864/2,020,985,856 = 2,020,985,856/x
3. Step 3: Cross multiply
   866,106,864x = 2,020,985,856 × 2,020,985,856
4. Step 4: Simplify right side
   866,106,864x = 4,084,383,830,152,052,736
5. Step 5: Solve for x
   x = 4,084,383,830,152,052,736/866,106,864
6. Step 6: Final answer
   x = 4,715,796,629.63