Finding the Third Proportional to 1,672,174 and 3,663,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,174 : 3,663,272 = 3,663,272 : x
2. Step 2: Convert to fraction form
   1,672,174/3,663,272 = 3,663,272/x
3. Step 3: Cross multiply
   1,672,174x = 3,663,272 × 3,663,272
4. Step 4: Simplify right side
   1,672,174x = 13,419,561,745,984
5. Step 5: Solve for x
   x = 13,419,561,745,984/1,672,174
6. Step 6: Final answer
   x = 8,025,218.52