Finding the Third Proportional to 180,407.25 and 387,468

Step by Step Solution

1. Step 1: Write the proportion equation
   180,407.25 : 387,468 = 387,468 : x
2. Step 2: Convert to fraction form
   180,407.25/387,468 = 387,468/x
3. Step 3: Cross multiply
   180,407.25x = 387,468 × 387,468
4. Step 4: Simplify right side
   180,407.25x = 150,131,451,024
5. Step 5: Solve for x
   x = 150,131,451,024/180,407.25
6. Step 6: Final answer
   x = 832,180.81