Finding the Third Proportional to 551,389 and 1,194,380

Step by Step Solution

1. Step 1: Write the proportion equation
   551,389 : 1,194,380 = 1,194,380 : x
2. Step 2: Convert to fraction form
   551,389/1,194,380 = 1,194,380/x
3. Step 3: Cross multiply
   551,389x = 1,194,380 × 1,194,380
4. Step 4: Simplify right side
   551,389x = 1,426,543,584,400
5. Step 5: Solve for x
   x = 1,426,543,584,400/551,389
6. Step 6: Final answer
   x = 2,587,181.80