Finding the Third Proportional to 136,748 and 300,424

Step by Step Solution

1. Step 1: Write the proportion equation
   136,748 : 300,424 = 300,424 : x
2. Step 2: Convert to fraction form
   136,748/300,424 = 300,424/x
3. Step 3: Cross multiply
   136,748x = 300,424 × 300,424
4. Step 4: Simplify right side
   136,748x = 90,254,579,776
5. Step 5: Solve for x
   x = 90,254,579,776/136,748
6. Step 6: Final answer
   x = 660,006.58