Finding the Third Proportional to 4,786,308 and 7,182,774

Step by Step Solution

1. Step 1: Write the proportion equation
   4,786,308 : 7,182,774 = 7,182,774 : x
2. Step 2: Convert to fraction form
   4,786,308/7,182,774 = 7,182,774/x
3. Step 3: Cross multiply
   4,786,308x = 7,182,774 × 7,182,774
4. Step 4: Simplify right side
   4,786,308x = 51,592,242,335,076
5. Step 5: Solve for x
   x = 51,592,242,335,076/4,786,308
6. Step 6: Final answer
   x = 10,779,131.29