Finding the Third Proportional to 117,288 and 253,174.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,288 : 253,174.50 = 253,174.50 : x
2. Step 2: Convert to fraction form
   117,288/253,174.50 = 253,174.50/x
3. Step 3: Cross multiply
   117,288x = 253,174.50 × 253,174.50
4. Step 4: Simplify right side
   117,288x = 64,097,327,450.25
5. Step 5: Solve for x
   x = 64,097,327,450.25/117,288
6. Step 6: Final answer
   x = 546,495.19