Finding the Third Proportional to 402,467 and 874,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   402,467 : 874,820.50 = 874,820.50 : x
2. Step 2: Convert to fraction form
   402,467/874,820.50 = 874,820.50/x
3. Step 3: Cross multiply
   402,467x = 874,820.50 × 874,820.50
4. Step 4: Simplify right side
   402,467x = 765,310,907,220.25
5. Step 5: Solve for x
   x = 765,310,907,220.25/402,467
6. Step 6: Final answer
   x = 1,901,549.46