Finding the Third Proportional to 2,725,842,605 and 5,929,280,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725,842,605 : 5,929,280,920 = 5,929,280,920 : x
2. Step 2: Convert to fraction form
   2,725,842,605/5,929,280,920 = 5,929,280,920/x
3. Step 3: Cross multiply
   2,725,842,605x = 5,929,280,920 × 5,929,280,920
4. Step 4: Simplify right side
   2,725,842,605x = 35,156,372,228,276,047,872
5. Step 5: Solve for x
   x = 35,156,372,228,276,047,872/2,725,842,605
6. Step 6: Final answer
   x = 12,897,432,949.28