Finding the Third Proportional to 715,822 and 1,557,598

Step by Step Solution

1. Step 1: Write the proportion equation
   715,822 : 1,557,598 = 1,557,598 : x
2. Step 2: Convert to fraction form
   715,822/1,557,598 = 1,557,598/x
3. Step 3: Cross multiply
   715,822x = 1,557,598 × 1,557,598
4. Step 4: Simplify right side
   715,822x = 2,426,111,529,604
5. Step 5: Solve for x
   x = 2,426,111,529,604/715,822
6. Step 6: Final answer
   x = 3,389,266.51