Finding the Third Proportional to 4,130,692 and 8,947,616

Step by Step Solution

1. Step 1: Write the proportion equation
   4,130,692 : 8,947,616 = 8,947,616 : x
2. Step 2: Convert to fraction form
   4,130,692/8,947,616 = 8,947,616/x
3. Step 3: Cross multiply
   4,130,692x = 8,947,616 × 8,947,616
4. Step 4: Simplify right side
   4,130,692x = 80,059,832,083,456
5. Step 5: Solve for x
   x = 80,059,832,083,456/4,130,692
6. Step 6: Final answer
   x = 19,381,699.75