Finding the Third Proportional to 774,800 and 1,686,832

Step by Step Solution

1. Step 1: Write the proportion equation
   774,800 : 1,686,832 = 1,686,832 : x
2. Step 2: Convert to fraction form
   774,800/1,686,832 = 1,686,832/x
3. Step 3: Cross multiply
   774,800x = 1,686,832 × 1,686,832
4. Step 4: Simplify right side
   774,800x = 2,845,402,196,224
5. Step 5: Solve for x
   x = 2,845,402,196,224/774,800
6. Step 6: Final answer
   x = 3,672,434.43