Finding the Third Proportional to 1,017,398 and 1,508,817

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,398 : 1,508,817 = 1,508,817 : x
2. Step 2: Convert to fraction form
   1,017,398/1,508,817 = 1,508,817/x
3. Step 3: Cross multiply
   1,017,398x = 1,508,817 × 1,508,817
4. Step 4: Simplify right side
   1,017,398x = 2,276,528,739,489
5. Step 5: Solve for x
   x = 2,276,528,739,489/1,017,398
6. Step 6: Final answer
   x = 2,237,598.99