Finding the Third Proportional to 807,680 and 1,699,066

Step by Step Solution

1. Step 1: Write the proportion equation
   807,680 : 1,699,066 = 1,699,066 : x
2. Step 2: Convert to fraction form
   807,680/1,699,066 = 1,699,066/x
3. Step 3: Cross multiply
   807,680x = 1,699,066 × 1,699,066
4. Step 4: Simplify right side
   807,680x = 2,886,825,272,356
5. Step 5: Solve for x
   x = 2,886,825,272,356/807,680
6. Step 6: Final answer
   x = 3,574,219.09