Finding the Third Proportional to 21,181,961 and 31,744,483

Step by Step Solution

1. Step 1: Write the proportion equation
   21,181,961 : 31,744,483 = 31,744,483 : x
2. Step 2: Convert to fraction form
   21,181,961/31,744,483 = 31,744,483/x
3. Step 3: Cross multiply
   21,181,961x = 31,744,483 × 31,744,483
4. Step 4: Simplify right side
   21,181,961x = 1,007,712,200,937,289
5. Step 5: Solve for x
   x = 1,007,712,200,937,289/21,181,961
6. Step 6: Final answer
   x = 47,574,074.98