Finding the Third Proportional to 427,981.50 and 1,012,128.75

Step by Step Solution

1. Step 1: Write the proportion equation
   427,981.50 : 1,012,128.75 = 1,012,128.75 : x
2. Step 2: Convert to fraction form
   427,981.50/1,012,128.75 = 1,012,128.75/x
3. Step 3: Cross multiply
   427,981.50x = 1,012,128.75 × 1,012,128.75
4. Step 4: Simplify right side
   427,981.50x = 1,024,404,606,576.56
5. Step 5: Solve for x
   x = 1,024,404,606,576.56/427,981.50
6. Step 6: Final answer
   x = 2,393,572.17