Finding the Third Proportional to 774,212 and 1,670,896

Step by Step Solution

1. Step 1: Write the proportion equation
   774,212 : 1,670,896 = 1,670,896 : x
2. Step 2: Convert to fraction form
   774,212/1,670,896 = 1,670,896/x
3. Step 3: Cross multiply
   774,212x = 1,670,896 × 1,670,896
4. Step 4: Simplify right side
   774,212x = 2,791,893,442,816
5. Step 5: Solve for x
   x = 2,791,893,442,816/774,212
6. Step 6: Final answer
   x = 3,606,109.75