Finding the Third Proportional to 2,891,037,545 and 3,900,688,396

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891,037,545 : 3,900,688,396 = 3,900,688,396 : x
2. Step 2: Convert to fraction form
   2,891,037,545/3,900,688,396 = 3,900,688,396/x
3. Step 3: Cross multiply
   2,891,037,545x = 3,900,688,396 × 3,900,688,396
4. Step 4: Simplify right side
   2,891,037,545x = 15,215,369,962,689,052,672
5. Step 5: Solve for x
   x = 15,215,369,962,689,052,672/2,891,037,545
6. Step 6: Final answer
   x = 5,262,944,436.33