Finding the Third Proportional to 3,991,230 and 8,755,068

Step by Step Solution

1. Step 1: Write the proportion equation
   3,991,230 : 8,755,068 = 8,755,068 : x
2. Step 2: Convert to fraction form
   3,991,230/8,755,068 = 8,755,068/x
3. Step 3: Cross multiply
   3,991,230x = 8,755,068 × 8,755,068
4. Step 4: Simplify right side
   3,991,230x = 76,651,215,684,624
5. Step 5: Solve for x
   x = 76,651,215,684,624/3,991,230
6. Step 6: Final answer
   x = 19,204,910.69