Finding the Third Proportional to 3,897,492 and 8,503,236

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897,492 : 8,503,236 = 8,503,236 : x
2. Step 2: Convert to fraction form
   3,897,492/8,503,236 = 8,503,236/x
3. Step 3: Cross multiply
   3,897,492x = 8,503,236 × 8,503,236
4. Step 4: Simplify right side
   3,897,492x = 72,305,022,471,696
5. Step 5: Solve for x
   x = 72,305,022,471,696/3,897,492
6. Step 6: Final answer
   x = 18,551,679.51