Finding the Third Proportional to 649,880 and 1,425,300

Step by Step Solution

1. Step 1: Write the proportion equation
   649,880 : 1,425,300 = 1,425,300 : x
2. Step 2: Convert to fraction form
   649,880/1,425,300 = 1,425,300/x
3. Step 3: Cross multiply
   649,880x = 1,425,300 × 1,425,300
4. Step 4: Simplify right side
   649,880x = 2,031,480,090,000
5. Step 5: Solve for x
   x = 2,031,480,090,000/649,880
6. Step 6: Final answer
   x = 3,125,931.08