Finding the Third Proportional to 31,198,732 and 69,567,008

Step by Step Solution

1. Step 1: Write the proportion equation
   31,198,732 : 69,567,008 = 69,567,008 : x
2. Step 2: Convert to fraction form
   31,198,732/69,567,008 = 69,567,008/x
3. Step 3: Cross multiply
   31,198,732x = 69,567,008 × 69,567,008
4. Step 4: Simplify right side
   31,198,732x = 4,839,568,602,072,064
5. Step 5: Solve for x
   x = 4,839,568,602,072,064/31,198,732
6. Step 6: Final answer
   x = 155,120,682.54