Finding the Third Proportional to 1,688,134 and 3,904,679

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,134 : 3,904,679 = 3,904,679 : x
2. Step 2: Convert to fraction form
   1,688,134/3,904,679 = 3,904,679/x
3. Step 3: Cross multiply
   1,688,134x = 3,904,679 × 3,904,679
4. Step 4: Simplify right side
   1,688,134x = 15,246,518,093,041
5. Step 5: Solve for x
   x = 15,246,518,093,041/1,688,134
6. Step 6: Final answer
   x = 9,031,580.49