Finding the Third Proportional to 3,986,402,584.22 and 8,541,410,398.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986,402,584.22 : 8,541,410,398.59 = 8,541,410,398.59 : x
2. Step 2: Convert to fraction form
   3,986,402,584.22/8,541,410,398.59 = 8,541,410,398.59/x
3. Step 3: Cross multiply
   3,986,402,584.22x = 8,541,410,398.59 × 8,541,410,398.59
4. Step 4: Simplify right side
   3,986,402,584.22x = 72,955,691,597,209,714,688
5. Step 5: Solve for x
   x = 72,955,691,597,209,714,688/3,986,402,584.22
6. Step 6: Final answer
   x = 18,301,134,934.55