Finding the Third Proportional to 31,449,959 and 67,272,007

Step by Step Solution

1. Step 1: Write the proportion equation
   31,449,959 : 67,272,007 = 67,272,007 : x
2. Step 2: Convert to fraction form
   31,449,959/67,272,007 = 67,272,007/x
3. Step 3: Cross multiply
   31,449,959x = 67,272,007 × 67,272,007
4. Step 4: Simplify right side
   31,449,959x = 4,525,522,925,808,049
5. Step 5: Solve for x
   x = 4,525,522,925,808,049/31,449,959
6. Step 6: Final answer
   x = 143,895,988.09