Finding the Third Proportional to 1,445,818 and 3,140,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,818 : 3,140,880 = 3,140,880 : x
2. Step 2: Convert to fraction form
   1,445,818/3,140,880 = 3,140,880/x
3. Step 3: Cross multiply
   1,445,818x = 3,140,880 × 3,140,880
4. Step 4: Simplify right side
   1,445,818x = 9,865,127,174,400
5. Step 5: Solve for x
   x = 9,865,127,174,400/1,445,818
6. Step 6: Final answer
   x = 6,823,215.08