Finding the Third Proportional to 542,636.50 and 841,077

Step by Step Solution

1. Step 1: Write the proportion equation
   542,636.50 : 841,077 = 841,077 : x
2. Step 2: Convert to fraction form
   542,636.50/841,077 = 841,077/x
3. Step 3: Cross multiply
   542,636.50x = 841,077 × 841,077
4. Step 4: Simplify right side
   542,636.50x = 707,410,519,929
5. Step 5: Solve for x
   x = 707,410,519,929/542,636.50
6. Step 6: Final answer
   x = 1,303,654.51