Finding the Third Proportional to 452,040 and 700,380

Step by Step Solution

1. Step 1: Write the proportion equation
   452,040 : 700,380 = 700,380 : x
2. Step 2: Convert to fraction form
   452,040/700,380 = 700,380/x
3. Step 3: Cross multiply
   452,040x = 700,380 × 700,380
4. Step 4: Simplify right side
   452,040x = 490,532,144,400
5. Step 5: Solve for x
   x = 490,532,144,400/452,040
6. Step 6: Final answer
   x = 1,085,152.08