Finding the Third Proportional to 362,834 and 788,642

Step by Step Solution

1. Step 1: Write the proportion equation
   362,834 : 788,642 = 788,642 : x
2. Step 2: Convert to fraction form
   362,834/788,642 = 788,642/x
3. Step 3: Cross multiply
   362,834x = 788,642 × 788,642
4. Step 4: Simplify right side
   362,834x = 621,956,204,164
5. Step 5: Solve for x
   x = 621,956,204,164/362,834
6. Step 6: Final answer
   x = 1,714,161.86