Finding the Third Proportional to 771,147 and 1,721,142

Step by Step Solution

1. Step 1: Write the proportion equation
   771,147 : 1,721,142 = 1,721,142 : x
2. Step 2: Convert to fraction form
   771,147/1,721,142 = 1,721,142/x
3. Step 3: Cross multiply
   771,147x = 1,721,142 × 1,721,142
4. Step 4: Simplify right side
   771,147x = 2,962,329,784,164
5. Step 5: Solve for x
   x = 2,962,329,784,164/771,147
6. Step 6: Final answer
   x = 3,841,459.26