Finding the Third Proportional to 139,082.25 and 297,846

Step by Step Solution

1. Step 1: Write the proportion equation
   139,082.25 : 297,846 = 297,846 : x
2. Step 2: Convert to fraction form
   139,082.25/297,846 = 297,846/x
3. Step 3: Cross multiply
   139,082.25x = 297,846 × 297,846
4. Step 4: Simplify right side
   139,082.25x = 88,712,239,716
5. Step 5: Solve for x
   x = 88,712,239,716/139,082.25
6. Step 6: Final answer
   x = 637,840.12