Finding the Third Proportional to 8,216,480 and 12,020,484

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216,480 : 12,020,484 = 12,020,484 : x
2. Step 2: Convert to fraction form
   8,216,480/12,020,484 = 12,020,484/x
3. Step 3: Cross multiply
   8,216,480x = 12,020,484 × 12,020,484
4. Step 4: Simplify right side
   8,216,480x = 144,492,035,594,256
5. Step 5: Solve for x
   x = 144,492,035,594,256/8,216,480
6. Step 6: Final answer
   x = 17,585,637.11