Finding the Third Proportional to 3,970,269 and 8,696,700

Step by Step Solution

1. Step 1: Write the proportion equation
   3,970,269 : 8,696,700 = 8,696,700 : x
2. Step 2: Convert to fraction form
   3,970,269/8,696,700 = 8,696,700/x
3. Step 3: Cross multiply
   3,970,269x = 8,696,700 × 8,696,700
4. Step 4: Simplify right side
   3,970,269x = 75,632,590,890,000
5. Step 5: Solve for x
   x = 75,632,590,890,000/3,970,269
6. Step 6: Final answer
   x = 19,049,739.68