Finding the Third Proportional to 188,465.50 and 291,447

Step by Step Solution

1. Step 1: Write the proportion equation
   188,465.50 : 291,447 = 291,447 : x
2. Step 2: Convert to fraction form
   188,465.50/291,447 = 291,447/x
3. Step 3: Cross multiply
   188,465.50x = 291,447 × 291,447
4. Step 4: Simplify right side
   188,465.50x = 84,941,353,809
5. Step 5: Solve for x
   x = 84,941,353,809/188,465.50
6. Step 6: Final answer
   x = 450,699.75