Finding the Third Proportional to 207,977 and 447,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,977 : 447,478.50 = 447,478.50 : x
2. Step 2: Convert to fraction form
   207,977/447,478.50 = 447,478.50/x
3. Step 3: Cross multiply
   207,977x = 447,478.50 × 447,478.50
4. Step 4: Simplify right side
   207,977x = 200,237,007,962.25
5. Step 5: Solve for x
   x = 200,237,007,962.25/207,977
6. Step 6: Final answer
   x = 962,784.38