Finding the Third Proportional to 1,064,780 and 1,608,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,780 : 1,608,260 = 1,608,260 : x
2. Step 2: Convert to fraction form
   1,064,780/1,608,260 = 1,608,260/x
3. Step 3: Cross multiply
   1,064,780x = 1,608,260 × 1,608,260
4. Step 4: Simplify right side
   1,064,780x = 2,586,500,227,600
5. Step 5: Solve for x
   x = 2,586,500,227,600/1,064,780
6. Step 6: Final answer
   x = 2,429,140.51