Finding the Third Proportional to 405,576 and 938,881.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,576 : 938,881.50 = 938,881.50 : x
2. Step 2: Convert to fraction form
   405,576/938,881.50 = 938,881.50/x
3. Step 3: Cross multiply
   405,576x = 938,881.50 × 938,881.50
4. Step 4: Simplify right side
   405,576x = 881,498,471,042.25
5. Step 5: Solve for x
   x = 881,498,471,042.25/405,576
6. Step 6: Final answer
   x = 2,173,448.31