Finding the Third Proportional to 80,621.63 and 188,264.06

Step by Step Solution

1. Step 1: Write the proportion equation
   80,621.63 : 188,264.06 = 188,264.06 : x
2. Step 2: Convert to fraction form
   80,621.63/188,264.06 = 188,264.06/x
3. Step 3: Cross multiply
   80,621.63x = 188,264.06 × 188,264.06
4. Step 4: Simplify right side
   80,621.63x = 35,443,357,229.00
5. Step 5: Solve for x
   x = 35,443,357,229.00/80,621.63
6. Step 6: Final answer
   x = 439,625.93