Finding the Third Proportional to 286,770.38 and 443,824.31

Step by Step Solution

1. Step 1: Write the proportion equation
   286,770.38 : 443,824.31 = 443,824.31 : x
2. Step 2: Convert to fraction form
   286,770.38/443,824.31 = 443,824.31/x
3. Step 3: Cross multiply
   286,770.38x = 443,824.31 × 443,824.31
4. Step 4: Simplify right side
   286,770.38x = 196,980,020,366.10
5. Step 5: Solve for x
   x = 196,980,020,366.10/286,770.38
6. Step 6: Final answer
   x = 686,891.11