Finding the Third Proportional to 326,088 and 428,804.06

Step by Step Solution

1. Step 1: Write the proportion equation
   326,088 : 428,804.06 = 428,804.06 : x
2. Step 2: Convert to fraction form
   326,088/428,804.06 = 428,804.06/x
3. Step 3: Cross multiply
   326,088x = 428,804.06 × 428,804.06
4. Step 4: Simplify right side
   326,088x = 183,872,924,016.50
5. Step 5: Solve for x
   x = 183,872,924,016.50/326,088
6. Step 6: Final answer
   x = 563,875.16