Finding the Third Proportional to 1,005,553 and 1,406,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,553 : 1,406,570 = 1,406,570 : x
2. Step 2: Convert to fraction form
   1,005,553/1,406,570 = 1,406,570/x
3. Step 3: Cross multiply
   1,005,553x = 1,406,570 × 1,406,570
4. Step 4: Simplify right side
   1,005,553x = 1,978,439,164,900
5. Step 5: Solve for x
   x = 1,978,439,164,900/1,005,553
6. Step 6: Final answer
   x = 1,967,513.56