Finding the Third Proportional to 499,683 and 712,158

Step by Step Solution

1. Step 1: Write the proportion equation
   499,683 : 712,158 = 712,158 : x
2. Step 2: Convert to fraction form
   499,683/712,158 = 712,158/x
3. Step 3: Cross multiply
   499,683x = 712,158 × 712,158
4. Step 4: Simplify right side
   499,683x = 507,169,016,964
5. Step 5: Solve for x
   x = 507,169,016,964/499,683
6. Step 6: Final answer
   x = 1,014,981.53