Finding the Third Proportional to 657,260 and 1,345,656

Step by Step Solution

1. Step 1: Write the proportion equation
   657,260 : 1,345,656 = 1,345,656 : x
2. Step 2: Convert to fraction form
   657,260/1,345,656 = 1,345,656/x
3. Step 3: Cross multiply
   657,260x = 1,345,656 × 1,345,656
4. Step 4: Simplify right side
   657,260x = 1,810,790,070,336
5. Step 5: Solve for x
   x = 1,810,790,070,336/657,260
6. Step 6: Final answer
   x = 2,755,058.99