Finding the Third Proportional to 117,887.50 and 254,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,887.50 : 254,607.50 = 254,607.50 : x
2. Step 2: Convert to fraction form
   117,887.50/254,607.50 = 254,607.50/x
3. Step 3: Cross multiply
   117,887.50x = 254,607.50 × 254,607.50
4. Step 4: Simplify right side
   117,887.50x = 64,824,979,056.25
5. Step 5: Solve for x
   x = 64,824,979,056.25/117,887.50
6. Step 6: Final answer
   x = 549,888.49