Finding the Third Proportional to 1,184,612 and 1,688,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,612 : 1,688,310 = 1,688,310 : x
2. Step 2: Convert to fraction form
   1,184,612/1,688,310 = 1,688,310/x
3. Step 3: Cross multiply
   1,184,612x = 1,688,310 × 1,688,310
4. Step 4: Simplify right side
   1,184,612x = 2,850,390,656,100
5. Step 5: Solve for x
   x = 2,850,390,656,100/1,184,612
6. Step 6: Final answer
   x = 2,406,180.81