Finding the Third Proportional to 612,759 and 1,296,174

Step by Step Solution

1. Step 1: Write the proportion equation
   612,759 : 1,296,174 = 1,296,174 : x
2. Step 2: Convert to fraction form
   612,759/1,296,174 = 1,296,174/x
3. Step 3: Cross multiply
   612,759x = 1,296,174 × 1,296,174
4. Step 4: Simplify right side
   612,759x = 1,680,067,038,276
5. Step 5: Solve for x
   x = 1,680,067,038,276/612,759
6. Step 6: Final answer
   x = 2,741,807.20