Finding the Third Proportional to 564,573 and 1,242,870

Step by Step Solution

1. Step 1: Write the proportion equation
   564,573 : 1,242,870 = 1,242,870 : x
2. Step 2: Convert to fraction form
   564,573/1,242,870 = 1,242,870/x
3. Step 3: Cross multiply
   564,573x = 1,242,870 × 1,242,870
4. Step 4: Simplify right side
   564,573x = 1,544,725,836,900
5. Step 5: Solve for x
   x = 1,544,725,836,900/564,573
6. Step 6: Final answer
   x = 2,736,095.84