Finding the Third Proportional to 422,470 and 939,394.50

Step by Step Solution

1. Step 1: Write the proportion equation
   422,470 : 939,394.50 = 939,394.50 : x
2. Step 2: Convert to fraction form
   422,470/939,394.50 = 939,394.50/x
3. Step 3: Cross multiply
   422,470x = 939,394.50 × 939,394.50
4. Step 4: Simplify right side
   422,470x = 882,462,026,630.25
5. Step 5: Solve for x
   x = 882,462,026,630.25/422,470
6. Step 6: Final answer
   x = 2,088,815.84