Finding the Third Proportional to 5,377,106 and 8,518,503

Step by Step Solution

1. Step 1: Write the proportion equation
   5,377,106 : 8,518,503 = 8,518,503 : x
2. Step 2: Convert to fraction form
   5,377,106/8,518,503 = 8,518,503/x
3. Step 3: Cross multiply
   5,377,106x = 8,518,503 × 8,518,503
4. Step 4: Simplify right side
   5,377,106x = 72,564,893,361,009
5. Step 5: Solve for x
   x = 72,564,893,361,009/5,377,106
6. Step 6: Final answer
   x = 13,495,157.69