Finding the Third Proportional to 7,777,844 and 12,173,362

Step by Step Solution

1. Step 1: Write the proportion equation
   7,777,844 : 12,173,362 = 12,173,362 : x
2. Step 2: Convert to fraction form
   7,777,844/12,173,362 = 12,173,362/x
3. Step 3: Cross multiply
   7,777,844x = 12,173,362 × 12,173,362
4. Step 4: Simplify right side
   7,777,844x = 148,190,742,383,044
5. Step 5: Solve for x
   x = 148,190,742,383,044/7,777,844
6. Step 6: Final answer
   x = 19,052,933.23