Finding the Third Proportional to 116,878.50 and 252,438

Step by Step Solution

1. Step 1: Write the proportion equation
   116,878.50 : 252,438 = 252,438 : x
2. Step 2: Convert to fraction form
   116,878.50/252,438 = 252,438/x
3. Step 3: Cross multiply
   116,878.50x = 252,438 × 252,438
4. Step 4: Simplify right side
   116,878.50x = 63,724,943,844
5. Step 5: Solve for x
   x = 63,724,943,844/116,878.50
6. Step 6: Final answer
   x = 545,223.83