Finding the Third Proportional to 14,639,648 and 31,799,429

Step by Step Solution

1. Step 1: Write the proportion equation
   14,639,648 : 31,799,429 = 31,799,429 : x
2. Step 2: Convert to fraction form
   14,639,648/31,799,429 = 31,799,429/x
3. Step 3: Cross multiply
   14,639,648x = 31,799,429 × 31,799,429
4. Step 4: Simplify right side
   14,639,648x = 1,011,203,684,726,041
5. Step 5: Solve for x
   x = 1,011,203,684,726,041/14,639,648
6. Step 6: Final answer
   x = 69,072,950.71