Finding the Third Proportional to 116,425 and 254,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,425 : 254,643.50 = 254,643.50 : x
2. Step 2: Convert to fraction form
   116,425/254,643.50 = 254,643.50/x
3. Step 3: Cross multiply
   116,425x = 254,643.50 × 254,643.50
4. Step 4: Simplify right side
   116,425x = 64,843,312,092.25
5. Step 5: Solve for x
   x = 64,843,312,092.25/116,425
6. Step 6: Final answer
   x = 556,953.51