Finding the Third Proportional to 118,365 and 254,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,365 : 254,773.50 = 254,773.50 : x
2. Step 2: Convert to fraction form
   118,365/254,773.50 = 254,773.50/x
3. Step 3: Cross multiply
   118,365x = 254,773.50 × 254,773.50
4. Step 4: Simplify right side
   118,365x = 64,909,536,302.25
5. Step 5: Solve for x
   x = 64,909,536,302.25/118,365
6. Step 6: Final answer
   x = 548,384.54