Finding the Third Proportional to 607,578 and 1,329,578

Step by Step Solution

1. Step 1: Write the proportion equation
   607,578 : 1,329,578 = 1,329,578 : x
2. Step 2: Convert to fraction form
   607,578/1,329,578 = 1,329,578/x
3. Step 3: Cross multiply
   607,578x = 1,329,578 × 1,329,578
4. Step 4: Simplify right side
   607,578x = 1,767,777,658,084
5. Step 5: Solve for x
   x = 1,767,777,658,084/607,578
6. Step 6: Final answer
   x = 2,909,548.50