Finding the Third Proportional to 670,115 and 1,445,200

Step by Step Solution

1. Step 1: Write the proportion equation
   670,115 : 1,445,200 = 1,445,200 : x
2. Step 2: Convert to fraction form
   670,115/1,445,200 = 1,445,200/x
3. Step 3: Cross multiply
   670,115x = 1,445,200 × 1,445,200
4. Step 4: Simplify right side
   670,115x = 2,088,603,040,000
5. Step 5: Solve for x
   x = 2,088,603,040,000/670,115
6. Step 6: Final answer
   x = 3,116,783.00