Finding the Third Proportional to 238,109.63 and 509,434.31

Step by Step Solution

1. Step 1: Write the proportion equation
   238,109.63 : 509,434.31 = 509,434.31 : x
2. Step 2: Convert to fraction form
   238,109.63/509,434.31 = 509,434.31/x
3. Step 3: Cross multiply
   238,109.63x = 509,434.31 × 509,434.31
4. Step 4: Simplify right side
   238,109.63x = 259,523,318,752.35
5. Step 5: Solve for x
   x = 259,523,318,752.35/238,109.63
6. Step 6: Final answer
   x = 1,089,932.08