Finding the Third Proportional to 571,820 and 841,099

Step by Step Solution

1. Step 1: Write the proportion equation
   571,820 : 841,099 = 841,099 : x
2. Step 2: Convert to fraction form
   571,820/841,099 = 841,099/x
3. Step 3: Cross multiply
   571,820x = 841,099 × 841,099
4. Step 4: Simplify right side
   571,820x = 707,447,527,801
5. Step 5: Solve for x
   x = 707,447,527,801/571,820
6. Step 6: Final answer
   x = 1,237,185.70