Finding the Third Proportional to 405,114 and 883,129.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,114 : 883,129.50 = 883,129.50 : x
2. Step 2: Convert to fraction form
   405,114/883,129.50 = 883,129.50/x
3. Step 3: Cross multiply
   405,114x = 883,129.50 × 883,129.50
4. Step 4: Simplify right side
   405,114x = 779,917,713,770.25
5. Step 5: Solve for x
   x = 779,917,713,770.25/405,114
6. Step 6: Final answer
   x = 1,925,180.85