Finding the Third Proportional to 314,982 and 691,204.50

Step by Step Solution

1. Step 1: Write the proportion equation
   314,982 : 691,204.50 = 691,204.50 : x
2. Step 2: Convert to fraction form
   314,982/691,204.50 = 691,204.50/x
3. Step 3: Cross multiply
   314,982x = 691,204.50 × 691,204.50
4. Step 4: Simplify right side
   314,982x = 477,763,660,820.25
5. Step 5: Solve for x
   x = 477,763,660,820.25/314,982
6. Step 6: Final answer
   x = 1,516,796.71