Finding the Third Proportional to 118,385,522,003 and 279,368,644,158

Step by Step Solution

1. Step 1: Write the proportion equation
   118,385,522,003 : 279,368,644,158 = 279,368,644,158 : x
2. Step 2: Convert to fraction form
   118,385,522,003/279,368,644,158 = 279,368,644,158/x
3. Step 3: Cross multiply
   118,385,522,003x = 279,368,644,158 × 279,368,644,158
4. Step 4: Simplify right side
   118,385,522,003x = 78,046,839,338,679,222,140,928
5. Step 5: Solve for x
   x = 78,046,839,338,679,222,140,928/118,385,522,003
6. Step 6: Final answer
   x = 659,260,000,869.88