Finding the Third Proportional to 689,940 and 1,508,130

Step by Step Solution

1. Step 1: Write the proportion equation
   689,940 : 1,508,130 = 1,508,130 : x
2. Step 2: Convert to fraction form
   689,940/1,508,130 = 1,508,130/x
3. Step 3: Cross multiply
   689,940x = 1,508,130 × 1,508,130
4. Step 4: Simplify right side
   689,940x = 2,274,456,096,900
5. Step 5: Solve for x
   x = 2,274,456,096,900/689,940
6. Step 6: Final answer
   x = 3,296,599.84