Finding the Third Proportional to 452,142 and 699,000

Step by Step Solution

1. Step 1: Write the proportion equation
   452,142 : 699,000 = 699,000 : x
2. Step 2: Convert to fraction form
   452,142/699,000 = 699,000/x
3. Step 3: Cross multiply
   452,142x = 699,000 × 699,000
4. Step 4: Simplify right side
   452,142x = 488,601,000,000
5. Step 5: Solve for x
   x = 488,601,000,000/452,142
6. Step 6: Final answer
   x = 1,080,636.17