Finding the Third Proportional to 2,147,145 and 4,680,089

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,145 : 4,680,089 = 4,680,089 : x
2. Step 2: Convert to fraction form
   2,147,145/4,680,089 = 4,680,089/x
3. Step 3: Cross multiply
   2,147,145x = 4,680,089 × 4,680,089
4. Step 4: Simplify right side
   2,147,145x = 21,903,233,047,921
5. Step 5: Solve for x
   x = 21,903,233,047,921/2,147,145
6. Step 6: Final answer
   x = 10,201,096.36