Finding the Third Proportional to 569,040 and 1,243,072

Step by Step Solution

1. Step 1: Write the proportion equation
   569,040 : 1,243,072 = 1,243,072 : x
2. Step 2: Convert to fraction form
   569,040/1,243,072 = 1,243,072/x
3. Step 3: Cross multiply
   569,040x = 1,243,072 × 1,243,072
4. Step 4: Simplify right side
   569,040x = 1,545,227,997,184
5. Step 5: Solve for x
   x = 1,545,227,997,184/569,040
6. Step 6: Final answer
   x = 2,715,499.78