Finding the Third Proportional to 667,348 and 1,439,672

Step by Step Solution

1. Step 1: Write the proportion equation
   667,348 : 1,439,672 = 1,439,672 : x
2. Step 2: Convert to fraction form
   667,348/1,439,672 = 1,439,672/x
3. Step 3: Cross multiply
   667,348x = 1,439,672 × 1,439,672
4. Step 4: Simplify right side
   667,348x = 2,072,655,467,584
5. Step 5: Solve for x
   x = 2,072,655,467,584/667,348
6. Step 6: Final answer
   x = 3,105,809.06