Finding the Third Proportional to 426,762 and 919,687.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,762 : 919,687.50 = 919,687.50 : x
2. Step 2: Convert to fraction form
   426,762/919,687.50 = 919,687.50/x
3. Step 3: Cross multiply
   426,762x = 919,687.50 × 919,687.50
4. Step 4: Simplify right side
   426,762x = 845,825,097,656.25
5. Step 5: Solve for x
   x = 845,825,097,656.25/426,762
6. Step 6: Final answer
   x = 1,981,959.73