Finding the Third Proportional to 297,603 and 447,082.88

Step by Step Solution

1. Step 1: Write the proportion equation
   297,603 : 447,082.88 = 447,082.88 : x
2. Step 2: Convert to fraction form
   297,603/447,082.88 = 447,082.88/x
3. Step 3: Cross multiply
   297,603x = 447,082.88 × 447,082.88
4. Step 4: Simplify right side
   297,603x = 199,883,097,118.27
5. Step 5: Solve for x
   x = 199,883,097,118.27/297,603
6. Step 6: Final answer
   x = 671,643.42