Finding the Third Proportional to 2,891,037,543 and 3,900,688,393.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891,037,543 : 3,900,688,393.50 = 3,900,688,393.50 : x
2. Step 2: Convert to fraction form
   2,891,037,543/3,900,688,393.50 = 3,900,688,393.50/x
3. Step 3: Cross multiply
   2,891,037,543x = 3,900,688,393.50 × 3,900,688,393.50
4. Step 4: Simplify right side
   2,891,037,543x = 15,215,369,943,185,610,752
5. Step 5: Solve for x
   x = 15,215,369,943,185,610,752/2,891,037,543
6. Step 6: Final answer
   x = 5,262,944,433.23