Finding the Third Proportional to 31,449,960 and 67,272,010

Step by Step Solution

1. Step 1: Write the proportion equation
   31,449,960 : 67,272,010 = 67,272,010 : x
2. Step 2: Convert to fraction form
   31,449,960/67,272,010 = 67,272,010/x
3. Step 3: Cross multiply
   31,449,960x = 67,272,010 × 67,272,010
4. Step 4: Simplify right side
   31,449,960x = 4,525,523,329,440,100
5. Step 5: Solve for x
   x = 4,525,523,329,440,100/31,449,960
6. Step 6: Final answer
   x = 143,895,996.35