Finding the Third Proportional to 1,184,408 and 1,688,036

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,408 : 1,688,036 = 1,688,036 : x
2. Step 2: Convert to fraction form
   1,184,408/1,688,036 = 1,688,036/x
3. Step 3: Cross multiply
   1,184,408x = 1,688,036 × 1,688,036
4. Step 4: Simplify right side
   1,184,408x = 2,849,465,537,296
5. Step 5: Solve for x
   x = 2,849,465,537,296/1,184,408
6. Step 6: Final answer
   x = 2,405,814.16