Finding the Third Proportional to 900,368 and 1,921,264

Step by Step Solution

1. Step 1: Write the proportion equation
   900,368 : 1,921,264 = 1,921,264 : x
2. Step 2: Convert to fraction form
   900,368/1,921,264 = 1,921,264/x
3. Step 3: Cross multiply
   900,368x = 1,921,264 × 1,921,264
4. Step 4: Simplify right side
   900,368x = 3,691,255,357,696
5. Step 5: Solve for x
   x = 3,691,255,357,696/900,368
6. Step 6: Final answer
   x = 4,099,718.51