Finding the Third Proportional to 2,891,037,536 and 3,900,688,384

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891,037,536 : 3,900,688,384 = 3,900,688,384 : x
2. Step 2: Convert to fraction form
   2,891,037,536/3,900,688,384 = 3,900,688,384/x
3. Step 3: Cross multiply
   2,891,037,536x = 3,900,688,384 × 3,900,688,384
4. Step 4: Simplify right side
   2,891,037,536x = 15,215,369,869,072,531,456
5. Step 5: Solve for x
   x = 15,215,369,869,072,531,456/2,891,037,536
6. Step 6: Final answer
   x = 5,262,944,420.34