Finding the Third Proportional to 152,237 and 216,378.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,237 : 216,378.50 = 216,378.50 : x
2. Step 2: Convert to fraction form
   152,237/216,378.50 = 216,378.50/x
3. Step 3: Cross multiply
   152,237x = 216,378.50 × 216,378.50
4. Step 4: Simplify right side
   152,237x = 46,819,655,262.25
5. Step 5: Solve for x
   x = 46,819,655,262.25/152,237
6. Step 6: Final answer
   x = 307,544.52