Finding the Third Proportional to 7,688,664 and 16,912,116

Step by Step Solution

1. Step 1: Write the proportion equation
   7,688,664 : 16,912,116 = 16,912,116 : x
2. Step 2: Convert to fraction form
   7,688,664/16,912,116 = 16,912,116/x
3. Step 3: Cross multiply
   7,688,664x = 16,912,116 × 16,912,116
4. Step 4: Simplify right side
   7,688,664x = 286,019,667,597,456
5. Step 5: Solve for x
   x = 286,019,667,597,456/7,688,664
6. Step 6: Final answer
   x = 37,200,177.77