Finding the Third Proportional to 729,728 and 1,567,346

Step by Step Solution

1. Step 1: Write the proportion equation
   729,728 : 1,567,346 = 1,567,346 : x
2. Step 2: Convert to fraction form
   729,728/1,567,346 = 1,567,346/x
3. Step 3: Cross multiply
   729,728x = 1,567,346 × 1,567,346
4. Step 4: Simplify right side
   729,728x = 2,456,573,483,716
5. Step 5: Solve for x
   x = 2,456,573,483,716/729,728
6. Step 6: Final answer
   x = 3,366,423.49