Finding the Third Proportional to 297,058 and 447,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,058 : 447,005.50 = 447,005.50 : x
2. Step 2: Convert to fraction form
   297,058/447,005.50 = 447,005.50/x
3. Step 3: Cross multiply
   297,058x = 447,005.50 × 447,005.50
4. Step 4: Simplify right side
   297,058x = 199,813,917,030.25
5. Step 5: Solve for x
   x = 199,813,917,030.25/297,058
6. Step 6: Final answer
   x = 672,642.77