Finding the Third Proportional to 116,977.50 and 247,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,977.50 : 247,900.50 = 247,900.50 : x
2. Step 2: Convert to fraction form
   116,977.50/247,900.50 = 247,900.50/x
3. Step 3: Cross multiply
   116,977.50x = 247,900.50 × 247,900.50
4. Step 4: Simplify right side
   116,977.50x = 61,454,657,900.25
5. Step 5: Solve for x
   x = 61,454,657,900.25/116,977.50
6. Step 6: Final answer
   x = 525,354.52