Finding the Third Proportional to 655,085 and 1,388,900

Step by Step Solution

1. Step 1: Write the proportion equation
   655,085 : 1,388,900 = 1,388,900 : x
2. Step 2: Convert to fraction form
   655,085/1,388,900 = 1,388,900/x
3. Step 3: Cross multiply
   655,085x = 1,388,900 × 1,388,900
4. Step 4: Simplify right side
   655,085x = 1,929,043,210,000
5. Step 5: Solve for x
   x = 1,929,043,210,000/655,085
6. Step 6: Final answer
   x = 2,944,722.00