Finding the Third Proportional to 405,252 and 938,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,252 : 938,164.50 = 938,164.50 : x
2. Step 2: Convert to fraction form
   405,252/938,164.50 = 938,164.50/x
3. Step 3: Cross multiply
   405,252x = 938,164.50 × 938,164.50
4. Step 4: Simplify right side
   405,252x = 880,152,629,060.25
5. Step 5: Solve for x
   x = 880,152,629,060.25/405,252
6. Step 6: Final answer
   x = 2,171,864.99