Finding the Third Proportional to 790,605 and 1,724,321

Step by Step Solution

1. Step 1: Write the proportion equation
   790,605 : 1,724,321 = 1,724,321 : x
2. Step 2: Convert to fraction form
   790,605/1,724,321 = 1,724,321/x
3. Step 3: Cross multiply
   790,605x = 1,724,321 × 1,724,321
4. Step 4: Simplify right side
   790,605x = 2,973,282,911,041
5. Step 5: Solve for x
   x = 2,973,282,911,041/790,605
6. Step 6: Final answer
   x = 3,760,769.17