Finding the Third Proportional to 355,375 and 838,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   355,375 : 838,919.50 = 838,919.50 : x
2. Step 2: Convert to fraction form
   355,375/838,919.50 = 838,919.50/x
3. Step 3: Cross multiply
   355,375x = 838,919.50 × 838,919.50
4. Step 4: Simplify right side
   355,375x = 703,785,927,480.25
5. Step 5: Solve for x
   x = 703,785,927,480.25/355,375
6. Step 6: Final answer
   x = 1,980,403.59