Finding the Third Proportional to 860,463 and 1,890,783

Step by Step Solution

1. Step 1: Write the proportion equation
   860,463 : 1,890,783 = 1,890,783 : x
2. Step 2: Convert to fraction form
   860,463/1,890,783 = 1,890,783/x
3. Step 3: Cross multiply
   860,463x = 1,890,783 × 1,890,783
4. Step 4: Simplify right side
   860,463x = 3,575,060,353,089
5. Step 5: Solve for x
   x = 3,575,060,353,089/860,463
6. Step 6: Final answer
   x = 4,154,810.09