Finding the Third Proportional to 119,637 and 258,977.25

Step by Step Solution

1. Step 1: Write the proportion equation
   119,637 : 258,977.25 = 258,977.25 : x
2. Step 2: Convert to fraction form
   119,637/258,977.25 = 258,977.25/x
3. Step 3: Cross multiply
   119,637x = 258,977.25 × 258,977.25
4. Step 4: Simplify right side
   119,637x = 67,069,216,017.56
5. Step 5: Solve for x
   x = 67,069,216,017.56/119,637
6. Step 6: Final answer
   x = 560,605.97