Finding the Third Proportional to 127,381.50 and 297,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,381.50 : 297,490.50 = 297,490.50 : x
2. Step 2: Convert to fraction form
   127,381.50/297,490.50 = 297,490.50/x
3. Step 3: Cross multiply
   127,381.50x = 297,490.50 × 297,490.50
4. Step 4: Simplify right side
   127,381.50x = 88,500,597,590.25
5. Step 5: Solve for x
   x = 88,500,597,590.25/127,381.50
6. Step 6: Final answer
   x = 694,768.06