Finding the Third Proportional to 5,179,130 and 7,840,658

Step by Step Solution

1. Step 1: Write the proportion equation
   5,179,130 : 7,840,658 = 7,840,658 : x
2. Step 2: Convert to fraction form
   5,179,130/7,840,658 = 7,840,658/x
3. Step 3: Cross multiply
   5,179,130x = 7,840,658 × 7,840,658
4. Step 4: Simplify right side
   5,179,130x = 61,475,917,872,964
5. Step 5: Solve for x
   x = 61,475,917,872,964/5,179,130
6. Step 6: Final answer
   x = 11,869,931.41