Finding the Third Proportional to 31,518,298 and 69,015,306

Step by Step Solution

1. Step 1: Write the proportion equation
   31,518,298 : 69,015,306 = 69,015,306 : x
2. Step 2: Convert to fraction form
   31,518,298/69,015,306 = 69,015,306/x
3. Step 3: Cross multiply
   31,518,298x = 69,015,306 × 69,015,306
4. Step 4: Simplify right side
   31,518,298x = 4,763,112,462,273,636
5. Step 5: Solve for x
   x = 4,763,112,462,273,636/31,518,298
6. Step 6: Final answer
   x = 151,122,134.27