Finding the Third Proportional to 139,532 and 208,752

Step by Step Solution

1. Step 1: Write the proportion equation
   139,532 : 208,752 = 208,752 : x
2. Step 2: Convert to fraction form
   139,532/208,752 = 208,752/x
3. Step 3: Cross multiply
   139,532x = 208,752 × 208,752
4. Step 4: Simplify right side
   139,532x = 43,577,397,504
5. Step 5: Solve for x
   x = 43,577,397,504/139,532
6. Step 6: Final answer
   x = 312,311.14