Finding the Third Proportional to 127,260 and 274,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,260 : 274,189.50 = 274,189.50 : x
2. Step 2: Convert to fraction form
   127,260/274,189.50 = 274,189.50/x
3. Step 3: Cross multiply
   127,260x = 274,189.50 × 274,189.50
4. Step 4: Simplify right side
   127,260x = 75,179,881,910.25
5. Step 5: Solve for x
   x = 75,179,881,910.25/127,260
6. Step 6: Final answer
   x = 590,758.15