Finding the Third Proportional to 354,666 and 788,063

Step by Step Solution

1. Step 1: Write the proportion equation
   354,666 : 788,063 = 788,063 : x
2. Step 2: Convert to fraction form
   354,666/788,063 = 788,063/x
3. Step 3: Cross multiply
   354,666x = 788,063 × 788,063
4. Step 4: Simplify right side
   354,666x = 621,043,291,969
5. Step 5: Solve for x
   x = 621,043,291,969/354,666
6. Step 6: Final answer
   x = 1,751,065.20