Finding the Third Proportional to 20,979,326 and 32,400,813

Step by Step Solution

1. Step 1: Write the proportion equation
   20,979,326 : 32,400,813 = 32,400,813 : x
2. Step 2: Convert to fraction form
   20,979,326/32,400,813 = 32,400,813/x
3. Step 3: Cross multiply
   20,979,326x = 32,400,813 × 32,400,813
4. Step 4: Simplify right side
   20,979,326x = 1,049,812,683,060,969
5. Step 5: Solve for x
   x = 1,049,812,683,060,969/20,979,326
6. Step 6: Final answer
   x = 50,040,343.67