Finding the Third Proportional to 5,262,784 and 7,872,753

Step by Step Solution

1. Step 1: Write the proportion equation
   5,262,784 : 7,872,753 = 7,872,753 : x
2. Step 2: Convert to fraction form
   5,262,784/7,872,753 = 7,872,753/x
3. Step 3: Cross multiply
   5,262,784x = 7,872,753 × 7,872,753
4. Step 4: Simplify right side
   5,262,784x = 61,980,239,799,009
5. Step 5: Solve for x
   x = 61,980,239,799,009/5,262,784
6. Step 6: Final answer
   x = 11,777,082.21