Finding the Third Proportional to 301,977 and 453,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,977 : 453,721.50 = 453,721.50 : x
2. Step 2: Convert to fraction form
   301,977/453,721.50 = 453,721.50/x
3. Step 3: Cross multiply
   301,977x = 453,721.50 × 453,721.50
4. Step 4: Simplify right side
   301,977x = 205,863,199,562.25
5. Step 5: Solve for x
   x = 205,863,199,562.25/301,977
6. Step 6: Final answer
   x = 681,718.14