Finding the Third Proportional to 354,672 and 788,064

Step by Step Solution

1. Step 1: Write the proportion equation
   354,672 : 788,064 = 788,064 : x
2. Step 2: Convert to fraction form
   354,672/788,064 = 788,064/x
3. Step 3: Cross multiply
   354,672x = 788,064 × 788,064
4. Step 4: Simplify right side
   354,672x = 621,044,868,096
5. Step 5: Solve for x
   x = 621,044,868,096/354,672
6. Step 6: Final answer
   x = 1,751,040.03