Finding the Third Proportional to 21,181,932 and 31,744,440

Step by Step Solution

1. Step 1: Write the proportion equation
   21,181,932 : 31,744,440 = 31,744,440 : x
2. Step 2: Convert to fraction form
   21,181,932/31,744,440 = 31,744,440/x
3. Step 3: Cross multiply
   21,181,932x = 31,744,440 × 31,744,440
4. Step 4: Simplify right side
   21,181,932x = 1,007,709,470,913,600
5. Step 5: Solve for x
   x = 1,007,709,470,913,600/21,181,932
6. Step 6: Final answer
   x = 47,574,011.23