Finding the Third Proportional to 553,678.50 and 791,754

Step by Step Solution

1. Step 1: Write the proportion equation
   553,678.50 : 791,754 = 791,754 : x
2. Step 2: Convert to fraction form
   553,678.50/791,754 = 791,754/x
3. Step 3: Cross multiply
   553,678.50x = 791,754 × 791,754
4. Step 4: Simplify right side
   553,678.50x = 626,874,396,516
5. Step 5: Solve for x
   x = 626,874,396,516/553,678.50
6. Step 6: Final answer
   x = 1,132,199.28