Finding the Third Proportional to 5,106,687 and 7,917,936

Step by Step Solution

1. Step 1: Write the proportion equation
   5,106,687 : 7,917,936 = 7,917,936 : x
2. Step 2: Convert to fraction form
   5,106,687/7,917,936 = 7,917,936/x
3. Step 3: Cross multiply
   5,106,687x = 7,917,936 × 7,917,936
4. Step 4: Simplify right side
   5,106,687x = 62,693,710,500,096
5. Step 5: Solve for x
   x = 62,693,710,500,096/5,106,687
6. Step 6: Final answer
   x = 12,276,787.38