Finding the Third Proportional to 623,960 and 947,600

Step by Step Solution

1. Step 1: Write the proportion equation
   623,960 : 947,600 = 947,600 : x
2. Step 2: Convert to fraction form
   623,960/947,600 = 947,600/x
3. Step 3: Cross multiply
   623,960x = 947,600 × 947,600
4. Step 4: Simplify right side
   623,960x = 897,945,760,000
5. Step 5: Solve for x
   x = 897,945,760,000/623,960
6. Step 6: Final answer
   x = 1,439,107.89