Finding the Third Proportional to 921,432 and 1,395,042

Step by Step Solution

1. Step 1: Write the proportion equation
   921,432 : 1,395,042 = 1,395,042 : x
2. Step 2: Convert to fraction form
   921,432/1,395,042 = 1,395,042/x
3. Step 3: Cross multiply
   921,432x = 1,395,042 × 1,395,042
4. Step 4: Simplify right side
   921,432x = 1,946,142,181,764
5. Step 5: Solve for x
   x = 1,946,142,181,764/921,432
6. Step 6: Final answer
   x = 2,112,084.43