Finding the Third Proportional to 7,225,920 and 9,842,145

Step by Step Solution

1. Step 1: Write the proportion equation
   7,225,920 : 9,842,145 = 9,842,145 : x
2. Step 2: Convert to fraction form
   7,225,920/9,842,145 = 9,842,145/x
3. Step 3: Cross multiply
   7,225,920x = 9,842,145 × 9,842,145
4. Step 4: Simplify right side
   7,225,920x = 96,867,818,201,025
5. Step 5: Solve for x
   x = 96,867,818,201,025/7,225,920
6. Step 6: Final answer
   x = 13,405,603.47