Finding the Third Proportional to 153,560 and 236,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,560 : 236,900.50 = 236,900.50 : x
2. Step 2: Convert to fraction form
   153,560/236,900.50 = 236,900.50/x
3. Step 3: Cross multiply
   153,560x = 236,900.50 × 236,900.50
4. Step 4: Simplify right side
   153,560x = 56,121,846,900.25
5. Step 5: Solve for x
   x = 56,121,846,900.25/153,560
6. Step 6: Final answer
   x = 365,471.78