Finding the Third Proportional to 761,709 and 1,622,112

Step by Step Solution

1. Step 1: Write the proportion equation
   761,709 : 1,622,112 = 1,622,112 : x
2. Step 2: Convert to fraction form
   761,709/1,622,112 = 1,622,112/x
3. Step 3: Cross multiply
   761,709x = 1,622,112 × 1,622,112
4. Step 4: Simplify right side
   761,709x = 2,631,247,340,544
5. Step 5: Solve for x
   x = 2,631,247,340,544/761,709
6. Step 6: Final answer
   x = 3,454,399.70