Finding the Third Proportional to 1,184,624 and 1,688,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,624 : 1,688,328 = 1,688,328 : x
2. Step 2: Convert to fraction form
   1,184,624/1,688,328 = 1,688,328/x
3. Step 3: Cross multiply
   1,184,624x = 1,688,328 × 1,688,328
4. Step 4: Simplify right side
   1,184,624x = 2,850,451,435,584
5. Step 5: Solve for x
   x = 2,850,451,435,584/1,184,624
6. Step 6: Final answer
   x = 2,406,207.74