Finding the Third Proportional to 1,684,529 and 3,664,206

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,529 : 3,664,206 = 3,664,206 : x
2. Step 2: Convert to fraction form
   1,684,529/3,664,206 = 3,664,206/x
3. Step 3: Cross multiply
   1,684,529x = 3,664,206 × 3,664,206
4. Step 4: Simplify right side
   1,684,529x = 13,426,405,610,436
5. Step 5: Solve for x
   x = 13,426,405,610,436/1,684,529
6. Step 6: Final answer
   x = 7,970,421.17