Finding the Third Proportional to 1,399,061 and 3,012,178

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,061 : 3,012,178 = 3,012,178 : x
2. Step 2: Convert to fraction form
   1,399,061/3,012,178 = 3,012,178/x
3. Step 3: Cross multiply
   1,399,061x = 3,012,178 × 3,012,178
4. Step 4: Simplify right side
   1,399,061x = 9,073,216,303,684
5. Step 5: Solve for x
   x = 9,073,216,303,684/1,399,061
6. Step 6: Final answer
   x = 6,485,218.52