Finding the Third Proportional to 86,822,335,887 and 188,068,512,042

Step by Step Solution

1. Step 1: Write the proportion equation
   86,822,335,887 : 188,068,512,042 = 188,068,512,042 : x
2. Step 2: Convert to fraction form
   86,822,335,887/188,068,512,042 = 188,068,512,042/x
3. Step 3: Cross multiply
   86,822,335,887x = 188,068,512,042 × 188,068,512,042
4. Step 4: Simplify right side
   86,822,335,887x = 35,369,765,221,691,897,675,776
5. Step 5: Solve for x
   x = 35,369,765,221,691,897,675,776/86,822,335,887
6. Step 6: Final answer
   x = 407,380,944,780.45