Finding the Third Proportional to 14,639,427 and 31,798,980

Step by Step Solution

1. Step 1: Write the proportion equation
   14,639,427 : 31,798,980 = 31,798,980 : x
2. Step 2: Convert to fraction form
   14,639,427/31,798,980 = 31,798,980/x
3. Step 3: Cross multiply
   14,639,427x = 31,798,980 × 31,798,980
4. Step 4: Simplify right side
   14,639,427x = 1,011,175,129,040,400
5. Step 5: Solve for x
   x = 1,011,175,129,040,400/14,639,427
6. Step 6: Final answer
   x = 69,072,042.85