Finding the Third Proportional to 1,489,453 and 3,215,060

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489,453 : 3,215,060 = 3,215,060 : x
2. Step 2: Convert to fraction form
   1,489,453/3,215,060 = 3,215,060/x
3. Step 3: Cross multiply
   1,489,453x = 3,215,060 × 3,215,060
4. Step 4: Simplify right side
   1,489,453x = 10,336,610,803,600
5. Step 5: Solve for x
   x = 10,336,610,803,600/1,489,453
6. Step 6: Final answer
   x = 6,939,870.41