Finding the Third Proportional to 117,397.50 and 253,938

Step by Step Solution

1. Step 1: Write the proportion equation
   117,397.50 : 253,938 = 253,938 : x
2. Step 2: Convert to fraction form
   117,397.50/253,938 = 253,938/x
3. Step 3: Cross multiply
   117,397.50x = 253,938 × 253,938
4. Step 4: Simplify right side
   117,397.50x = 64,484,507,844
5. Step 5: Solve for x
   x = 64,484,507,844/117,397.50
6. Step 6: Final answer
   x = 549,283.48