Finding the Third Proportional to 31,519,560 and 69,017,784

Step by Step Solution

1. Step 1: Write the proportion equation
   31,519,560 : 69,017,784 = 69,017,784 : x
2. Step 2: Convert to fraction form
   31,519,560/69,017,784 = 69,017,784/x
3. Step 3: Cross multiply
   31,519,560x = 69,017,784 × 69,017,784
4. Step 4: Simplify right side
   31,519,560x = 4,763,454,508,270,656
5. Step 5: Solve for x
   x = 4,763,454,508,270,656/31,519,560
6. Step 6: Final answer
   x = 151,126,935.41