Finding the Third Proportional to 354,668 and 788,068

Step by Step Solution

1. Step 1: Write the proportion equation
   354,668 : 788,068 = 788,068 : x
2. Step 2: Convert to fraction form
   354,668/788,068 = 788,068/x
3. Step 3: Cross multiply
   354,668x = 788,068 × 788,068
4. Step 4: Simplify right side
   354,668x = 621,051,172,624
5. Step 5: Solve for x
   x = 621,051,172,624/354,668
6. Step 6: Final answer
   x = 1,751,077.55