Finding the Third Proportional to 1,386,630 and 2,980,224

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386,630 : 2,980,224 = 2,980,224 : x
2. Step 2: Convert to fraction form
   1,386,630/2,980,224 = 2,980,224/x
3. Step 3: Cross multiply
   1,386,630x = 2,980,224 × 2,980,224
4. Step 4: Simplify right side
   1,386,630x = 8,881,735,090,176
5. Step 5: Solve for x
   x = 8,881,735,090,176/1,386,630
6. Step 6: Final answer
   x = 6,405,266.79