Finding the Third Proportional to 156,864 and 236,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,864 : 236,758.50 = 236,758.50 : x
2. Step 2: Convert to fraction form
   156,864/236,758.50 = 236,758.50/x
3. Step 3: Cross multiply
   156,864x = 236,758.50 × 236,758.50
4. Step 4: Simplify right side
   156,864x = 56,054,587,322.25
5. Step 5: Solve for x
   x = 56,054,587,322.25/156,864
6. Step 6: Final answer
   x = 357,345.14