Finding the Third Proportional to 251,010 and 351,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   251,010 : 351,085.50 = 351,085.50 : x
2. Step 2: Convert to fraction form
   251,010/351,085.50 = 351,085.50/x
3. Step 3: Cross multiply
   251,010x = 351,085.50 × 351,085.50
4. Step 4: Simplify right side
   251,010x = 123,261,028,310.25
5. Step 5: Solve for x
   x = 123,261,028,310.25/251,010
6. Step 6: Final answer
   x = 491,060.23