Finding the Third Proportional to 1,390,210 and 3,046,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,210 : 3,046,140 = 3,046,140 : x
2. Step 2: Convert to fraction form
   1,390,210/3,046,140 = 3,046,140/x
3. Step 3: Cross multiply
   1,390,210x = 3,046,140 × 3,046,140
4. Step 4: Simplify right side
   1,390,210x = 9,278,968,899,600
5. Step 5: Solve for x
   x = 9,278,968,899,600/1,390,210
6. Step 6: Final answer
   x = 6,674,508.81