Finding the Third Proportional to 3,988,166 and 8,698,152

Step by Step Solution

1. Step 1: Write the proportion equation
   3,988,166 : 8,698,152 = 8,698,152 : x
2. Step 2: Convert to fraction form
   3,988,166/8,698,152 = 8,698,152/x
3. Step 3: Cross multiply
   3,988,166x = 8,698,152 × 8,698,152
4. Step 4: Simplify right side
   3,988,166x = 75,657,848,215,104
5. Step 5: Solve for x
   x = 75,657,848,215,104/3,988,166
6. Step 6: Final answer
   x = 18,970,586.53