Finding the Third Proportional to 212,339,817 and 461,434,807.69

Step by Step Solution

1. Step 1: Write the proportion equation
   212,339,817 : 461,434,807.69 = 461,434,807.69 : x
2. Step 2: Convert to fraction form
   212,339,817/461,434,807.69 = 461,434,807.69/x
3. Step 3: Cross multiply
   212,339,817x = 461,434,807.69 × 461,434,807.69
4. Step 4: Simplify right side
   212,339,817x = 212,922,081,745,600,096
5. Step 5: Solve for x
   x = 212,922,081,745,600,096/212,339,817
6. Step 6: Final answer
   x = 1,002,742,136.42