Finding the Third Proportional to 689,895 and 1,508,040

Step by Step Solution

1. Step 1: Write the proportion equation
   689,895 : 1,508,040 = 1,508,040 : x
2. Step 2: Convert to fraction form
   689,895/1,508,040 = 1,508,040/x
3. Step 3: Cross multiply
   689,895x = 1,508,040 × 1,508,040
4. Step 4: Simplify right side
   689,895x = 2,274,184,641,600
5. Step 5: Solve for x
   x = 2,274,184,641,600/689,895
6. Step 6: Final answer
   x = 3,296,421.40