Finding the Third Proportional to 21,679,240 and 31,160,724

Step by Step Solution

1. Step 1: Write the proportion equation
   21,679,240 : 31,160,724 = 31,160,724 : x
2. Step 2: Convert to fraction form
   21,679,240/31,160,724 = 31,160,724/x
3. Step 3: Cross multiply
   21,679,240x = 31,160,724 × 31,160,724
4. Step 4: Simplify right side
   21,679,240x = 970,990,720,204,176
5. Step 5: Solve for x
   x = 970,990,720,204,176/21,679,240
6. Step 6: Final answer
   x = 44,788,964.94