Finding the Third Proportional to 549,217 and 826,633.50

Step by Step Solution

1. Step 1: Write the proportion equation
   549,217 : 826,633.50 = 826,633.50 : x
2. Step 2: Convert to fraction form
   549,217/826,633.50 = 826,633.50/x
3. Step 3: Cross multiply
   549,217x = 826,633.50 × 826,633.50
4. Step 4: Simplify right side
   549,217x = 683,322,943,322.25
5. Step 5: Solve for x
   x = 683,322,943,322.25/549,217
6. Step 6: Final answer
   x = 1,244,176.61