Finding the Third Proportional to 117,375.50 and 253,003

Step by Step Solution

1. Step 1: Write the proportion equation
   117,375.50 : 253,003 = 253,003 : x
2. Step 2: Convert to fraction form
   117,375.50/253,003 = 253,003/x
3. Step 3: Cross multiply
   117,375.50x = 253,003 × 253,003
4. Step 4: Simplify right side
   117,375.50x = 64,010,518,009
5. Step 5: Solve for x
   x = 64,010,518,009/117,375.50
6. Step 6: Final answer
   x = 545,348.20