Finding the Third Proportional to 426,083.63 and 916,542

Step by Step Solution

1. Step 1: Write the proportion equation
   426,083.63 : 916,542 = 916,542 : x
2. Step 2: Convert to fraction form
   426,083.63/916,542 = 916,542/x
3. Step 3: Cross multiply
   426,083.63x = 916,542 × 916,542
4. Step 4: Simplify right side
   426,083.63x = 840,049,237,764
5. Step 5: Solve for x
   x = 840,049,237,764/426,083.63
6. Step 6: Final answer
   x = 1,971,559.54