Finding the Third Proportional to 609,160 and 1,309,040

Step by Step Solution

1. Step 1: Write the proportion equation
   609,160 : 1,309,040 = 1,309,040 : x
2. Step 2: Convert to fraction form
   609,160/1,309,040 = 1,309,040/x
3. Step 3: Cross multiply
   609,160x = 1,309,040 × 1,309,040
4. Step 4: Simplify right side
   609,160x = 1,713,585,721,600
5. Step 5: Solve for x
   x = 1,713,585,721,600/609,160
6. Step 6: Final answer
   x = 2,813,030.60