Finding the Third Proportional to 914,084 and 1,392,558

Step by Step Solution

1. Step 1: Write the proportion equation
   914,084 : 1,392,558 = 1,392,558 : x
2. Step 2: Convert to fraction form
   914,084/1,392,558 = 1,392,558/x
3. Step 3: Cross multiply
   914,084x = 1,392,558 × 1,392,558
4. Step 4: Simplify right side
   914,084x = 1,939,217,783,364
5. Step 5: Solve for x
   x = 1,939,217,783,364/914,084
6. Step 6: Final answer
   x = 2,121,487.50