Finding the Third Proportional to 31,296,739 and 67,221,162

Step by Step Solution

1. Step 1: Write the proportion equation
   31,296,739 : 67,221,162 = 67,221,162 : x
2. Step 2: Convert to fraction form
   31,296,739/67,221,162 = 67,221,162/x
3. Step 3: Cross multiply
   31,296,739x = 67,221,162 × 67,221,162
4. Step 4: Simplify right side
   31,296,739x = 4,518,684,620,630,244
5. Step 5: Solve for x
   x = 4,518,684,620,630,244/31,296,739
6. Step 6: Final answer
   x = 144,381,963.27