Finding the Third Proportional to 111,706 and 243,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,706 : 243,068.50 = 243,068.50 : x
2. Step 2: Convert to fraction form
   111,706/243,068.50 = 243,068.50/x
3. Step 3: Cross multiply
   111,706x = 243,068.50 × 243,068.50
4. Step 4: Simplify right side
   111,706x = 59,082,295,692.25
5. Step 5: Solve for x
   x = 59,082,295,692.25/111,706
6. Step 6: Final answer
   x = 528,908.88