Finding the Third Proportional to 139,045.36 and 297,773.72

Step by Step Solution

1. Step 1: Write the proportion equation
   139,045.36 : 297,773.72 = 297,773.72 : x
2. Step 2: Convert to fraction form
   139,045.36/297,773.72 = 297,773.72/x
3. Step 3: Cross multiply
   139,045.36x = 297,773.72 × 297,773.72
4. Step 4: Simplify right side
   139,045.36x = 88,669,187,578.20
5. Step 5: Solve for x
   x = 88,669,187,578.20/139,045.36
6. Step 6: Final answer
   x = 637,699.73