Finding the Third Proportional to 723,820 and 1,064,678

Step by Step Solution

1. Step 1: Write the proportion equation
   723,820 : 1,064,678 = 1,064,678 : x
2. Step 2: Convert to fraction form
   723,820/1,064,678 = 1,064,678/x
3. Step 3: Cross multiply
   723,820x = 1,064,678 × 1,064,678
4. Step 4: Simplify right side
   723,820x = 1,133,539,243,684
5. Step 5: Solve for x
   x = 1,133,539,243,684/723,820
6. Step 6: Final answer
   x = 1,566,051.29