Finding the Third Proportional to 238,302 and 351,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,302 : 351,907.50 = 351,907.50 : x
2. Step 2: Convert to fraction form
   238,302/351,907.50 = 351,907.50/x
3. Step 3: Cross multiply
   238,302x = 351,907.50 × 351,907.50
4. Step 4: Simplify right side
   238,302x = 123,838,888,556.25
5. Step 5: Solve for x
   x = 123,838,888,556.25/238,302
6. Step 6: Final answer
   x = 519,672.05