Finding the Third Proportional to 623,454 and 1,353,180

Step by Step Solution

1. Step 1: Write the proportion equation
   623,454 : 1,353,180 = 1,353,180 : x
2. Step 2: Convert to fraction form
   623,454/1,353,180 = 1,353,180/x
3. Step 3: Cross multiply
   623,454x = 1,353,180 × 1,353,180
4. Step 4: Simplify right side
   623,454x = 1,831,096,112,400
5. Step 5: Solve for x
   x = 1,831,096,112,400/623,454
6. Step 6: Final answer
   x = 2,937,018.79