Finding the Third Proportional to 337,988.81 and 526,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   337,988.81 : 526,382.72 = 526,382.72 : x
2. Step 2: Convert to fraction form
   337,988.81/526,382.72 = 526,382.72/x
3. Step 3: Cross multiply
   337,988.81x = 526,382.72 × 526,382.72
4. Step 4: Simplify right side
   337,988.81x = 277,078,766,598.64
5. Step 5: Solve for x
   x = 277,078,766,598.64/337,988.81
6. Step 6: Final answer
   x = 819,786.80