Finding the Third Proportional to 5,135,556 and 7,947,924

Step by Step Solution

1. Step 1: Write the proportion equation
   5,135,556 : 7,947,924 = 7,947,924 : x
2. Step 2: Convert to fraction form
   5,135,556/7,947,924 = 7,947,924/x
3. Step 3: Cross multiply
   5,135,556x = 7,947,924 × 7,947,924
4. Step 4: Simplify right side
   5,135,556x = 63,169,495,909,776
5. Step 5: Solve for x
   x = 63,169,495,909,776/5,135,556
6. Step 6: Final answer
   x = 12,300,420.03