Finding the Third Proportional to 1,064,140 and 1,607,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,140 : 1,607,256 = 1,607,256 : x
2. Step 2: Convert to fraction form
   1,064,140/1,607,256 = 1,607,256/x
3. Step 3: Cross multiply
   1,064,140x = 1,607,256 × 1,607,256
4. Step 4: Simplify right side
   1,064,140x = 2,583,271,849,536
5. Step 5: Solve for x
   x = 2,583,271,849,536/1,064,140
6. Step 6: Final answer
   x = 2,427,567.66