Finding the Third Proportional to 1,417,806 and 3,111,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,806 : 3,111,171.50 = 3,111,171.50 : x
2. Step 2: Convert to fraction form
   1,417,806/3,111,171.50 = 3,111,171.50/x
3. Step 3: Cross multiply
   1,417,806x = 3,111,171.50 × 3,111,171.50
4. Step 4: Simplify right side
   1,417,806x = 9,679,388,102,412.25
5. Step 5: Solve for x
   x = 9,679,388,102,412.25/1,417,806
6. Step 6: Final answer
   x = 6,827,018.72