Finding the Third Proportional to 3,991,236 and 8,755,080

Step by Step Solution

1. Step 1: Write the proportion equation
   3,991,236 : 8,755,080 = 8,755,080 : x
2. Step 2: Convert to fraction form
   3,991,236/8,755,080 = 8,755,080/x
3. Step 3: Cross multiply
   3,991,236x = 8,755,080 × 8,755,080
4. Step 4: Simplify right side
   3,991,236x = 76,651,425,806,400
5. Step 5: Solve for x
   x = 76,651,425,806,400/3,991,236
6. Step 6: Final answer
   x = 19,204,934.46