Finding the Third Proportional to 4,728,308 and 7,488,308

Step by Step Solution

1. Step 1: Write the proportion equation
   4,728,308 : 7,488,308 = 7,488,308 : x
2. Step 2: Convert to fraction form
   4,728,308/7,488,308 = 7,488,308/x
3. Step 3: Cross multiply
   4,728,308x = 7,488,308 × 7,488,308
4. Step 4: Simplify right side
   4,728,308x = 56,074,756,702,864
5. Step 5: Solve for x
   x = 56,074,756,702,864/4,728,308
6. Step 6: Final answer
   x = 11,859,370.56