Finding the Third Proportional to 3,883,392 and 8,513,280

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,392 : 8,513,280 = 8,513,280 : x
2. Step 2: Convert to fraction form
   3,883,392/8,513,280 = 8,513,280/x
3. Step 3: Cross multiply
   3,883,392x = 8,513,280 × 8,513,280
4. Step 4: Simplify right side
   3,883,392x = 72,475,936,358,400
5. Step 5: Solve for x
   x = 72,475,936,358,400/3,883,392
6. Step 6: Final answer
   x = 18,663,049.30