Finding the Third Proportional to 238,603 and 493,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,603 : 493,814.50 = 493,814.50 : x
2. Step 2: Convert to fraction form
   238,603/493,814.50 = 493,814.50/x
3. Step 3: Cross multiply
   238,603x = 493,814.50 × 493,814.50
4. Step 4: Simplify right side
   238,603x = 243,852,760,410.25
5. Step 5: Solve for x
   x = 243,852,760,410.25/238,603
6. Step 6: Final answer
   x = 1,022,002.07