Finding the Third Proportional to 231,850 and 507,980

Step by Step Solution

1. Step 1: Write the proportion equation
   231,850 : 507,980 = 507,980 : x
2. Step 2: Convert to fraction form
   231,850/507,980 = 507,980/x
3. Step 3: Cross multiply
   231,850x = 507,980 × 507,980
4. Step 4: Simplify right side
   231,850x = 258,043,680,400
5. Step 5: Solve for x
   x = 258,043,680,400/231,850
6. Step 6: Final answer
   x = 1,112,976.84