Finding the Third Proportional to 3,887,688 and 8,482,871

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887,688 : 8,482,871 = 8,482,871 : x
2. Step 2: Convert to fraction form
   3,887,688/8,482,871 = 8,482,871/x
3. Step 3: Cross multiply
   3,887,688x = 8,482,871 × 8,482,871
4. Step 4: Simplify right side
   3,887,688x = 71,959,100,402,641
5. Step 5: Solve for x
   x = 71,959,100,402,641/3,887,688
6. Step 6: Final answer
   x = 18,509,484.40