Finding the Third Proportional to 602,880 and 1,309,440

Step by Step Solution

1. Step 1: Write the proportion equation
   602,880 : 1,309,440 = 1,309,440 : x
2. Step 2: Convert to fraction form
   602,880/1,309,440 = 1,309,440/x
3. Step 3: Cross multiply
   602,880x = 1,309,440 × 1,309,440
4. Step 4: Simplify right side
   602,880x = 1,714,633,113,600
5. Step 5: Solve for x
   x = 1,714,633,113,600/602,880
6. Step 6: Final answer
   x = 2,844,070.32