Finding the Third Proportional to 427,581 and 929,085.75

Step by Step Solution

1. Step 1: Write the proportion equation
   427,581 : 929,085.75 = 929,085.75 : x
2. Step 2: Convert to fraction form
   427,581/929,085.75 = 929,085.75/x
3. Step 3: Cross multiply
   427,581x = 929,085.75 × 929,085.75
4. Step 4: Simplify right side
   427,581x = 863,200,330,853.06
5. Step 5: Solve for x
   x = 863,200,330,853.06/427,581
6. Step 6: Final answer
   x = 2,018,799.55