Finding the Third Proportional to 755,570 and 1,140,630

Step by Step Solution

1. Step 1: Write the proportion equation
   755,570 : 1,140,630 = 1,140,630 : x
2. Step 2: Convert to fraction form
   755,570/1,140,630 = 1,140,630/x
3. Step 3: Cross multiply
   755,570x = 1,140,630 × 1,140,630
4. Step 4: Simplify right side
   755,570x = 1,301,036,796,900
5. Step 5: Solve for x
   x = 1,301,036,796,900/755,570
6. Step 6: Final answer
   x = 1,721,927.55