Finding the Third Proportional to 858,178 and 1,830,308

Step by Step Solution

1. Step 1: Write the proportion equation
   858,178 : 1,830,308 = 1,830,308 : x
2. Step 2: Convert to fraction form
   858,178/1,830,308 = 1,830,308/x
3. Step 3: Cross multiply
   858,178x = 1,830,308 × 1,830,308
4. Step 4: Simplify right side
   858,178x = 3,350,027,374,864
5. Step 5: Solve for x
   x = 3,350,027,374,864/858,178
6. Step 6: Final answer
   x = 3,903,650.96