Finding the Third Proportional to 153,247 and 236,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,247 : 236,686.50 = 236,686.50 : x
2. Step 2: Convert to fraction form
   153,247/236,686.50 = 236,686.50/x
3. Step 3: Cross multiply
   153,247x = 236,686.50 × 236,686.50
4. Step 4: Simplify right side
   153,247x = 56,020,499,282.25
5. Step 5: Solve for x
   x = 56,020,499,282.25/153,247
6. Step 6: Final answer
   x = 365,556.91