Finding the Third Proportional to 3,039,128 and 6,499,888

Step by Step Solution

1. Step 1: Write the proportion equation
   3,039,128 : 6,499,888 = 6,499,888 : x
2. Step 2: Convert to fraction form
   3,039,128/6,499,888 = 6,499,888/x
3. Step 3: Cross multiply
   3,039,128x = 6,499,888 × 6,499,888
4. Step 4: Simplify right side
   3,039,128x = 42,248,544,012,544
5. Step 5: Solve for x
   x = 42,248,544,012,544/3,039,128
6. Step 6: Final answer
   x = 13,901,534.92