Finding the Third Proportional to 3,655,444 and 7,920,430

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655,444 : 7,920,430 = 7,920,430 : x
2. Step 2: Convert to fraction form
   3,655,444/7,920,430 = 7,920,430/x
3. Step 3: Cross multiply
   3,655,444x = 7,920,430 × 7,920,430
4. Step 4: Simplify right side
   3,655,444x = 62,733,211,384,900
5. Step 5: Solve for x
   x = 62,733,211,384,900/3,655,444
6. Step 6: Final answer
   x = 17,161,584.58