Finding the Third Proportional to 2,687,840,445 and 3,737,227,290

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,840,445 : 3,737,227,290 = 3,737,227,290 : x
2. Step 2: Convert to fraction form
   2,687,840,445/3,737,227,290 = 3,737,227,290/x
3. Step 3: Cross multiply
   2,687,840,445x = 3,737,227,290 × 3,737,227,290
4. Step 4: Simplify right side
   2,687,840,445x = 13,966,867,817,120,743,424
5. Step 5: Solve for x
   x = 13,966,867,817,120,743,424/2,687,840,445
6. Step 6: Final answer
   x = 5,196,315,816.70