Finding the Third Proportional to 492,507 and 707,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   492,507 : 707,656.50 = 707,656.50 : x
2. Step 2: Convert to fraction form
   492,507/707,656.50 = 707,656.50/x
3. Step 3: Cross multiply
   492,507x = 707,656.50 × 707,656.50
4. Step 4: Simplify right side
   492,507x = 500,777,721,992.25
5. Step 5: Solve for x
   x = 500,777,721,992.25/492,507
6. Step 6: Final answer
   x = 1,016,793.11