Finding the Third Proportional to 382,624.31 and 553,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   382,624.31 : 553,111.88 = 553,111.88 : x
2. Step 2: Convert to fraction form
   382,624.31/553,111.88 = 553,111.88/x
3. Step 3: Cross multiply
   382,624.31x = 553,111.88 × 553,111.88
4. Step 4: Simplify right side
   382,624.31x = 305,932,746,266.02
5. Step 5: Solve for x
   x = 305,932,746,266.02/382,624.31
6. Step 6: Final answer
   x = 799,564.31