Finding the Third Proportional to 526,356 and 799,380

Step by Step Solution

1. Step 1: Write the proportion equation
   526,356 : 799,380 = 799,380 : x
2. Step 2: Convert to fraction form
   526,356/799,380 = 799,380/x
3. Step 3: Cross multiply
   526,356x = 799,380 × 799,380
4. Step 4: Simplify right side
   526,356x = 639,008,384,400
5. Step 5: Solve for x
   x = 639,008,384,400/526,356
6. Step 6: Final answer
   x = 1,214,023.18