Finding the Third Proportional to 774,174 and 1,672,906

Step by Step Solution

1. Step 1: Write the proportion equation
   774,174 : 1,672,906 = 1,672,906 : x
2. Step 2: Convert to fraction form
   774,174/1,672,906 = 1,672,906/x
3. Step 3: Cross multiply
   774,174x = 1,672,906 × 1,672,906
4. Step 4: Simplify right side
   774,174x = 2,798,614,484,836
5. Step 5: Solve for x
   x = 2,798,614,484,836/774,174
6. Step 6: Final answer
   x = 3,614,968.32