Finding the Third Proportional to 138,307.50 and 301,752

Step by Step Solution

1. Step 1: Write the proportion equation
   138,307.50 : 301,752 = 301,752 : x
2. Step 2: Convert to fraction form
   138,307.50/301,752 = 301,752/x
3. Step 3: Cross multiply
   138,307.50x = 301,752 × 301,752
4. Step 4: Simplify right side
   138,307.50x = 91,054,269,504
5. Step 5: Solve for x
   x = 91,054,269,504/138,307.50
6. Step 6: Final answer
   x = 658,346.58