Finding the Third Proportional to 238,788 and 517,032

Step by Step Solution

1. Step 1: Write the proportion equation
   238,788 : 517,032 = 517,032 : x
2. Step 2: Convert to fraction form
   238,788/517,032 = 517,032/x
3. Step 3: Cross multiply
   238,788x = 517,032 × 517,032
4. Step 4: Simplify right side
   238,788x = 267,322,089,024
5. Step 5: Solve for x
   x = 267,322,089,024/238,788
6. Step 6: Final answer
   x = 1,119,495.49