Finding the Third Proportional to 131,183,091 and 287,078,310

Step by Step Solution

1. Step 1: Write the proportion equation
   131,183,091 : 287,078,310 = 287,078,310 : x
2. Step 2: Convert to fraction form
   131,183,091/287,078,310 = 287,078,310/x
3. Step 3: Cross multiply
   131,183,091x = 287,078,310 × 287,078,310
4. Step 4: Simplify right side
   131,183,091x = 82,413,956,072,456,096
5. Step 5: Solve for x
   x = 82,413,956,072,456,096/131,183,091
6. Step 6: Final answer
   x = 628,236,119.79