Finding the Third Proportional to 2,099,459,678.63 and 4,510,485,938.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,459,678.63 : 4,510,485,938.25 = 4,510,485,938.25 : x
2. Step 2: Convert to fraction form
   2,099,459,678.63/4,510,485,938.25 = 4,510,485,938.25/x
3. Step 3: Cross multiply
   2,099,459,678.63x = 4,510,485,938.25 × 4,510,485,938.25
4. Step 4: Simplify right side
   2,099,459,678.63x = 20,344,483,399,150,981,120
5. Step 5: Solve for x
   x = 20,344,483,399,150,981,120/2,099,459,678.63
6. Step 6: Final answer
   x = 9,690,342,523.02