Finding the Third Proportional to 5,377,108 and 8,518,506

Step by Step Solution

1. Step 1: Write the proportion equation
   5,377,108 : 8,518,506 = 8,518,506 : x
2. Step 2: Convert to fraction form
   5,377,108/8,518,506 = 8,518,506/x
3. Step 3: Cross multiply
   5,377,108x = 8,518,506 × 8,518,506
4. Step 4: Simplify right side
   5,377,108x = 72,564,944,472,036
5. Step 5: Solve for x
   x = 72,564,944,472,036/5,377,108
6. Step 6: Final answer
   x = 13,495,162.17