Finding the Third Proportional to 292,286 and 628,084.50

Step by Step Solution

1. Step 1: Write the proportion equation
   292,286 : 628,084.50 = 628,084.50 : x
2. Step 2: Convert to fraction form
   292,286/628,084.50 = 628,084.50/x
3. Step 3: Cross multiply
   292,286x = 628,084.50 × 628,084.50
4. Step 4: Simplify right side
   292,286x = 394,490,139,140.25
5. Step 5: Solve for x
   x = 394,490,139,140.25/292,286
6. Step 6: Final answer
   x = 1,349,671.69