Finding the Third Proportional to 877,192 and 1,921,908

Step by Step Solution

1. Step 1: Write the proportion equation
   877,192 : 1,921,908 = 1,921,908 : x
2. Step 2: Convert to fraction form
   877,192/1,921,908 = 1,921,908/x
3. Step 3: Cross multiply
   877,192x = 1,921,908 × 1,921,908
4. Step 4: Simplify right side
   877,192x = 3,693,730,360,464
5. Step 5: Solve for x
   x = 3,693,730,360,464/877,192
6. Step 6: Final answer
   x = 4,210,857.33