Finding the Third Proportional to 115,870.50 and 253,881

Step by Step Solution

1. Step 1: Write the proportion equation
   115,870.50 : 253,881 = 253,881 : x
2. Step 2: Convert to fraction form
   115,870.50/253,881 = 253,881/x
3. Step 3: Cross multiply
   115,870.50x = 253,881 × 253,881
4. Step 4: Simplify right side
   115,870.50x = 64,455,562,161
5. Step 5: Solve for x
   x = 64,455,562,161/115,870.50
6. Step 6: Final answer
   x = 556,272.41