Finding the Third Proportional to 1,492,688 and 3,180,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492,688 : 3,180,520 = 3,180,520 : x
2. Step 2: Convert to fraction form
   1,492,688/3,180,520 = 3,180,520/x
3. Step 3: Cross multiply
   1,492,688x = 3,180,520 × 3,180,520
4. Step 4: Simplify right side
   1,492,688x = 10,115,707,470,400
5. Step 5: Solve for x
   x = 10,115,707,470,400/1,492,688
6. Step 6: Final answer
   x = 6,776,839.82