Finding the Third Proportional to 348,082 and 553,870

Step by Step Solution

1. Step 1: Write the proportion equation
   348,082 : 553,870 = 553,870 : x
2. Step 2: Convert to fraction form
   348,082/553,870 = 553,870/x
3. Step 3: Cross multiply
   348,082x = 553,870 × 553,870
4. Step 4: Simplify right side
   348,082x = 306,771,976,900
5. Step 5: Solve for x
   x = 306,771,976,900/348,082
6. Step 6: Final answer
   x = 881,321.00