Finding the Third Proportional to 5,155,386 and 7,575,279

Step by Step Solution

1. Step 1: Write the proportion equation
   5,155,386 : 7,575,279 = 7,575,279 : x
2. Step 2: Convert to fraction form
   5,155,386/7,575,279 = 7,575,279/x
3. Step 3: Cross multiply
   5,155,386x = 7,575,279 × 7,575,279
4. Step 4: Simplify right side
   5,155,386x = 57,384,851,927,841
5. Step 5: Solve for x
   x = 57,384,851,927,841/5,155,386
6. Step 6: Final answer
   x = 11,131,048.56