Finding the Third Proportional to 131,183,064 and 287,078,256

Step by Step Solution

1. Step 1: Write the proportion equation
   131,183,064 : 287,078,256 = 287,078,256 : x
2. Step 2: Convert to fraction form
   131,183,064/287,078,256 = 287,078,256/x
3. Step 3: Cross multiply
   131,183,064x = 287,078,256 × 287,078,256
4. Step 4: Simplify right side
   131,183,064x = 82,413,925,068,001,536
5. Step 5: Solve for x
   x = 82,413,925,068,001,536/131,183,064
6. Step 6: Final answer
   x = 628,236,012.75