Finding the Third Proportional to 387,126 and 833,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,126 : 833,584.50 = 833,584.50 : x
2. Step 2: Convert to fraction form
   387,126/833,584.50 = 833,584.50/x
3. Step 3: Cross multiply
   387,126x = 833,584.50 × 833,584.50
4. Step 4: Simplify right side
   387,126x = 694,863,118,640.25
5. Step 5: Solve for x
   x = 694,863,118,640.25/387,126
6. Step 6: Final answer
   x = 1,794,927.54