Finding the Third Proportional to 31,940,163 and 69,261,480

Step by Step Solution

1. Step 1: Write the proportion equation
   31,940,163 : 69,261,480 = 69,261,480 : x
2. Step 2: Convert to fraction form
   31,940,163/69,261,480 = 69,261,480/x
3. Step 3: Cross multiply
   31,940,163x = 69,261,480 × 69,261,480
4. Step 4: Simplify right side
   31,940,163x = 4,797,152,611,790,400
5. Step 5: Solve for x
   x = 4,797,152,611,790,400/31,940,163
6. Step 6: Final answer
   x = 150,191,863.82