Finding the Third Proportional to 3,886,769 and 8,538,754

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886,769 : 8,538,754 = 8,538,754 : x
2. Step 2: Convert to fraction form
   3,886,769/8,538,754 = 8,538,754/x
3. Step 3: Cross multiply
   3,886,769x = 8,538,754 × 8,538,754
4. Step 4: Simplify right side
   3,886,769x = 72,910,319,872,516
5. Step 5: Solve for x
   x = 72,910,319,872,516/3,886,769
6. Step 6: Final answer
   x = 18,758,593.54