Finding the Third Proportional to 31,431,456 and 47,264,156

Step by Step Solution

1. Step 1: Write the proportion equation
   31,431,456 : 47,264,156 = 47,264,156 : x
2. Step 2: Convert to fraction form
   31,431,456/47,264,156 = 47,264,156/x
3. Step 3: Cross multiply
   31,431,456x = 47,264,156 × 47,264,156
4. Step 4: Simplify right side
   31,431,456x = 2,233,900,442,392,336
5. Step 5: Solve for x
   x = 2,233,900,442,392,336/31,431,456
6. Step 6: Final answer
   x = 71,072,127.31