Finding the Third Proportional to 452,152 and 699,012

Step by Step Solution

1. Step 1: Write the proportion equation
   452,152 : 699,012 = 699,012 : x
2. Step 2: Convert to fraction form
   452,152/699,012 = 699,012/x
3. Step 3: Cross multiply
   452,152x = 699,012 × 699,012
4. Step 4: Simplify right side
   452,152x = 488,617,776,144
5. Step 5: Solve for x
   x = 488,617,776,144/452,152
6. Step 6: Final answer
   x = 1,080,649.37