Finding the Third Proportional to 5,180,330 and 7,842,747

Step by Step Solution

1. Step 1: Write the proportion equation
   5,180,330 : 7,842,747 = 7,842,747 : x
2. Step 2: Convert to fraction form
   5,180,330/7,842,747 = 7,842,747/x
3. Step 3: Cross multiply
   5,180,330x = 7,842,747 × 7,842,747
4. Step 4: Simplify right side
   5,180,330x = 61,508,680,506,009
5. Step 5: Solve for x
   x = 61,508,680,506,009/5,180,330
6. Step 6: Final answer
   x = 11,873,506.23