Finding the Third Proportional to 152,916 and 236,209.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,916 : 236,209.50 = 236,209.50 : x
2. Step 2: Convert to fraction form
   152,916/236,209.50 = 236,209.50/x
3. Step 3: Cross multiply
   152,916x = 236,209.50 × 236,209.50
4. Step 4: Simplify right side
   152,916x = 55,794,927,890.25
5. Step 5: Solve for x
   x = 55,794,927,890.25/152,916
6. Step 6: Final answer
   x = 364,873.05