Finding the Third Proportional to 553,700 and 791,790

Step by Step Solution

1. Step 1: Write the proportion equation
   553,700 : 791,790 = 791,790 : x
2. Step 2: Convert to fraction form
   553,700/791,790 = 791,790/x
3. Step 3: Cross multiply
   553,700x = 791,790 × 791,790
4. Step 4: Simplify right side
   553,700x = 626,931,404,100
5. Step 5: Solve for x
   x = 626,931,404,100/553,700
6. Step 6: Final answer
   x = 1,132,258.27