Finding the Third Proportional to 21,181,959 and 31,744,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,181,959 : 31,744,480.50 = 31,744,480.50 : x
2. Step 2: Convert to fraction form
   21,181,959/31,744,480.50 = 31,744,480.50/x
3. Step 3: Cross multiply
   21,181,959x = 31,744,480.50 × 31,744,480.50
4. Step 4: Simplify right side
   21,181,959x = 1,007,712,042,214,880.25
5. Step 5: Solve for x
   x = 1,007,712,042,214,880.25/21,181,959
6. Step 6: Final answer
   x = 47,574,071.98