Finding the Third Proportional to 724,926 and 1,569,321

Step by Step Solution

1. Step 1: Write the proportion equation
   724,926 : 1,569,321 = 1,569,321 : x
2. Step 2: Convert to fraction form
   724,926/1,569,321 = 1,569,321/x
3. Step 3: Cross multiply
   724,926x = 1,569,321 × 1,569,321
4. Step 4: Simplify right side
   724,926x = 2,462,768,401,041
5. Step 5: Solve for x
   x = 2,462,768,401,041/724,926
6. Step 6: Final answer
   x = 3,397,268.69