Finding the Third Proportional to 3,507,174 and 7,538,412

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507,174 : 7,538,412 = 7,538,412 : x
2. Step 2: Convert to fraction form
   3,507,174/7,538,412 = 7,538,412/x
3. Step 3: Cross multiply
   3,507,174x = 7,538,412 × 7,538,412
4. Step 4: Simplify right side
   3,507,174x = 56,827,655,481,744
5. Step 5: Solve for x
   x = 56,827,655,481,744/3,507,174
6. Step 6: Final answer
   x = 16,203,260.94