Finding the Third Proportional to 689,040 and 1,477,704

Step by Step Solution

1. Step 1: Write the proportion equation
   689,040 : 1,477,704 = 1,477,704 : x
2. Step 2: Convert to fraction form
   689,040/1,477,704 = 1,477,704/x
3. Step 3: Cross multiply
   689,040x = 1,477,704 × 1,477,704
4. Step 4: Simplify right side
   689,040x = 2,183,609,111,616
5. Step 5: Solve for x
   x = 2,183,609,111,616/689,040
6. Step 6: Final answer
   x = 3,169,060.01