Finding the Third Proportional to 863,172 and 1,897,650

Step by Step Solution

1. Step 1: Write the proportion equation
   863,172 : 1,897,650 = 1,897,650 : x
2. Step 2: Convert to fraction form
   863,172/1,897,650 = 1,897,650/x
3. Step 3: Cross multiply
   863,172x = 1,897,650 × 1,897,650
4. Step 4: Simplify right side
   863,172x = 3,601,075,522,500
5. Step 5: Solve for x
   x = 3,601,075,522,500/863,172
6. Step 6: Final answer
   x = 4,171,909.56