Finding the Third Proportional to 4,728,582 and 7,488,738

Step by Step Solution

1. Step 1: Write the proportion equation
   4,728,582 : 7,488,738 = 7,488,738 : x
2. Step 2: Convert to fraction form
   4,728,582/7,488,738 = 7,488,738/x
3. Step 3: Cross multiply
   4,728,582x = 7,488,738 × 7,488,738
4. Step 4: Simplify right side
   4,728,582x = 56,081,196,832,644
5. Step 5: Solve for x
   x = 56,081,196,832,644/4,728,582
6. Step 6: Final answer
   x = 11,860,045.32