Finding the Third Proportional to 863,308 and 1,897,928

Step by Step Solution

1. Step 1: Write the proportion equation
   863,308 : 1,897,928 = 1,897,928 : x
2. Step 2: Convert to fraction form
   863,308/1,897,928 = 1,897,928/x
3. Step 3: Cross multiply
   863,308x = 1,897,928 × 1,897,928
4. Step 4: Simplify right side
   863,308x = 3,602,130,693,184
5. Step 5: Solve for x
   x = 3,602,130,693,184/863,308
6. Step 6: Final answer
   x = 4,172,474.59