Finding the Third Proportional to 31,342,503 and 65,857,614

Step by Step Solution

1. Step 1: Write the proportion equation
   31,342,503 : 65,857,614 = 65,857,614 : x
2. Step 2: Convert to fraction form
   31,342,503/65,857,614 = 65,857,614/x
3. Step 3: Cross multiply
   31,342,503x = 65,857,614 × 65,857,614
4. Step 4: Simplify right side
   31,342,503x = 4,337,225,321,772,996
5. Step 5: Solve for x
   x = 4,337,225,321,772,996/31,342,503
6. Step 6: Final answer
   x = 138,381,587.51