Finding the Third Proportional to 428,586 and 931,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   428,586 : 931,060.50 = 931,060.50 : x
2. Step 2: Convert to fraction form
   428,586/931,060.50 = 931,060.50/x
3. Step 3: Cross multiply
   428,586x = 931,060.50 × 931,060.50
4. Step 4: Simplify right side
   428,586x = 866,873,654,660.25
5. Step 5: Solve for x
   x = 866,873,654,660.25/428,586
6. Step 6: Final answer
   x = 2,022,636.42