Finding the Third Proportional to 4,547,720 and 9,783,616

Step by Step Solution

1. Step 1: Write the proportion equation
   4,547,720 : 9,783,616 = 9,783,616 : x
2. Step 2: Convert to fraction form
   4,547,720/9,783,616 = 9,783,616/x
3. Step 3: Cross multiply
   4,547,720x = 9,783,616 × 9,783,616
4. Step 4: Simplify right side
   4,547,720x = 95,719,142,035,456
5. Step 5: Solve for x
   x = 95,719,142,035,456/4,547,720
6. Step 6: Final answer
   x = 21,047,721.06