Finding the Third Proportional to 422,500 and 939,468

Step by Step Solution

1. Step 1: Write the proportion equation
   422,500 : 939,468 = 939,468 : x
2. Step 2: Convert to fraction form
   422,500/939,468 = 939,468/x
3. Step 3: Cross multiply
   422,500x = 939,468 × 939,468
4. Step 4: Simplify right side
   422,500x = 882,600,123,024
5. Step 5: Solve for x
   x = 882,600,123,024/422,500
6. Step 6: Final answer
   x = 2,088,994.37