Finding the Third Proportional to 1,445,830 and 3,140,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,830 : 3,140,900 = 3,140,900 : x
2. Step 2: Convert to fraction form
   1,445,830/3,140,900 = 3,140,900/x
3. Step 3: Cross multiply
   1,445,830x = 3,140,900 × 3,140,900
4. Step 4: Simplify right side
   1,445,830x = 9,865,252,810,000
5. Step 5: Solve for x
   x = 9,865,252,810,000/1,445,830
6. Step 6: Final answer
   x = 6,823,245.34