Finding the Third Proportional to 788,704 and 1,287,764

Step by Step Solution

1. Step 1: Write the proportion equation
   788,704 : 1,287,764 = 1,287,764 : x
2. Step 2: Convert to fraction form
   788,704/1,287,764 = 1,287,764/x
3. Step 3: Cross multiply
   788,704x = 1,287,764 × 1,287,764
4. Step 4: Simplify right side
   788,704x = 1,658,336,119,696
5. Step 5: Solve for x
   x = 1,658,336,119,696/788,704
6. Step 6: Final answer
   x = 2,102,608.99