Finding the Third Proportional to 405,373.50 and 938,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,373.50 : 938,329.50 = 938,329.50 : x
2. Step 2: Convert to fraction form
   405,373.50/938,329.50 = 938,329.50/x
3. Step 3: Cross multiply
   405,373.50x = 938,329.50 × 938,329.50
4. Step 4: Simplify right side
   405,373.50x = 880,462,250,570.25
5. Step 5: Solve for x
   x = 880,462,250,570.25/405,373.50
6. Step 6: Final answer
   x = 2,171,977.82