Finding the Third Proportional to 31,431,448 and 47,264,144

Step by Step Solution

1. Step 1: Write the proportion equation
   31,431,448 : 47,264,144 = 47,264,144 : x
2. Step 2: Convert to fraction form
   31,431,448/47,264,144 = 47,264,144/x
3. Step 3: Cross multiply
   31,431,448x = 47,264,144 × 47,264,144
4. Step 4: Simplify right side
   31,431,448x = 2,233,899,308,052,736
5. Step 5: Solve for x
   x = 2,233,899,308,052,736/31,431,448
6. Step 6: Final answer
   x = 71,072,109.31