Finding the Third Proportional to 452,156 and 699,018

Step by Step Solution

1. Step 1: Write the proportion equation
   452,156 : 699,018 = 699,018 : x
2. Step 2: Convert to fraction form
   452,156/699,018 = 699,018/x
3. Step 3: Cross multiply
   452,156x = 699,018 × 699,018
4. Step 4: Simplify right side
   452,156x = 488,626,164,324
5. Step 5: Solve for x
   x = 488,626,164,324/452,156
6. Step 6: Final answer
   x = 1,080,658.37