Finding the Third Proportional to 31,415.25 and 67,752

Step by Step Solution

1. Step 1: Write the proportion equation
   31,415.25 : 67,752 = 67,752 : x
2. Step 2: Convert to fraction form
   31,415.25/67,752 = 67,752/x
3. Step 3: Cross multiply
   31,415.25x = 67,752 × 67,752
4. Step 4: Simplify right side
   31,415.25x = 4,590,333,504
5. Step 5: Solve for x
   x = 4,590,333,504/31,415.25
6. Step 6: Final answer
   x = 146,118.00