Finding the Third Proportional to 921,696 and 1,916,966

Step by Step Solution

1. Step 1: Write the proportion equation
   921,696 : 1,916,966 = 1,916,966 : x
2. Step 2: Convert to fraction form
   921,696/1,916,966 = 1,916,966/x
3. Step 3: Cross multiply
   921,696x = 1,916,966 × 1,916,966
4. Step 4: Simplify right side
   921,696x = 3,674,758,645,156
5. Step 5: Solve for x
   x = 3,674,758,645,156/921,696
6. Step 6: Final answer
   x = 3,986,953.01