Finding the Third Proportional to 149,361 and 236,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,361 : 236,620.50 = 236,620.50 : x
2. Step 2: Convert to fraction form
   149,361/236,620.50 = 236,620.50/x
3. Step 3: Cross multiply
   149,361x = 236,620.50 × 236,620.50
4. Step 4: Simplify right side
   149,361x = 55,989,261,020.25
5. Step 5: Solve for x
   x = 55,989,261,020.25/149,361
6. Step 6: Final answer
   x = 374,858.64