Finding the Third Proportional to 1,406,036 and 2,178,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,036 : 2,178,968 = 2,178,968 : x
2. Step 2: Convert to fraction form
   1,406,036/2,178,968 = 2,178,968/x
3. Step 3: Cross multiply
   1,406,036x = 2,178,968 × 2,178,968
4. Step 4: Simplify right side
   1,406,036x = 4,747,901,545,024
5. Step 5: Solve for x
   x = 4,747,901,545,024/1,406,036
6. Step 6: Final answer
   x = 3,376,799.42