Finding the Third Proportional to 112,209 and 245,533.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,209 : 245,533.50 = 245,533.50 : x
2. Step 2: Convert to fraction form
   112,209/245,533.50 = 245,533.50/x
3. Step 3: Cross multiply
   112,209x = 245,533.50 × 245,533.50
4. Step 4: Simplify right side
   112,209x = 60,286,699,622.25
5. Step 5: Solve for x
   x = 60,286,699,622.25/112,209
6. Step 6: Final answer
   x = 537,271.52