Finding the Third Proportional to 2,602,788,738 and 3,965,169,789

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602,788,738 : 3,965,169,789 = 3,965,169,789 : x
2. Step 2: Convert to fraction form
   2,602,788,738/3,965,169,789 = 3,965,169,789/x
3. Step 3: Cross multiply
   2,602,788,738x = 3,965,169,789 × 3,965,169,789
4. Step 4: Simplify right side
   2,602,788,738x = 15,722,571,455,598,305,280
5. Step 5: Solve for x
   x = 15,722,571,455,598,305,280/2,602,788,738
6. Step 6: Final answer
   x = 6,040,663,702.76