Finding the Third Proportional to 14,189,799 and 31,126,434

Step by Step Solution

1. Step 1: Write the proportion equation
   14,189,799 : 31,126,434 = 31,126,434 : x
2. Step 2: Convert to fraction form
   14,189,799/31,126,434 = 31,126,434/x
3. Step 3: Cross multiply
   14,189,799x = 31,126,434 × 31,126,434
4. Step 4: Simplify right side
   14,189,799x = 968,854,893,556,356
5. Step 5: Solve for x
   x = 968,854,893,556,356/14,189,799
6. Step 6: Final answer
   x = 68,278,267.62