Finding the Third Proportional to 5,739,517 and 12,487,897

Step by Step Solution

1. Step 1: Write the proportion equation
   5,739,517 : 12,487,897 = 12,487,897 : x
2. Step 2: Convert to fraction form
   5,739,517/12,487,897 = 12,487,897/x
3. Step 3: Cross multiply
   5,739,517x = 12,487,897 × 12,487,897
4. Step 4: Simplify right side
   5,739,517x = 155,947,571,482,609
5. Step 5: Solve for x
   x = 155,947,571,482,609/5,739,517
6. Step 6: Final answer
   x = 27,170,852.79