Finding the Third Proportional to 238,191.50 and 510,920

Step by Step Solution

1. Step 1: Write the proportion equation
   238,191.50 : 510,920 = 510,920 : x
2. Step 2: Convert to fraction form
   238,191.50/510,920 = 510,920/x
3. Step 3: Cross multiply
   238,191.50x = 510,920 × 510,920
4. Step 4: Simplify right side
   238,191.50x = 261,039,246,400
5. Step 5: Solve for x
   x = 261,039,246,400/238,191.50
6. Step 6: Final answer
   x = 1,095,921.75