Finding the Third Proportional to 21,421,760 and 47,189,152

Step by Step Solution

1. Step 1: Write the proportion equation
   21,421,760 : 47,189,152 = 47,189,152 : x
2. Step 2: Convert to fraction form
   21,421,760/47,189,152 = 47,189,152/x
3. Step 3: Cross multiply
   21,421,760x = 47,189,152 × 47,189,152
4. Step 4: Simplify right side
   21,421,760x = 2,226,816,066,479,104
5. Step 5: Solve for x
   x = 2,226,816,066,479,104/21,421,760
6. Step 6: Final answer
   x = 103,951,125.70