Finding the Third Proportional to 866,640 and 1,932,438

Step by Step Solution

1. Step 1: Write the proportion equation
   866,640 : 1,932,438 = 1,932,438 : x
2. Step 2: Convert to fraction form
   866,640/1,932,438 = 1,932,438/x
3. Step 3: Cross multiply
   866,640x = 1,932,438 × 1,932,438
4. Step 4: Simplify right side
   866,640x = 3,734,316,623,844
5. Step 5: Solve for x
   x = 3,734,316,623,844/866,640
6. Step 6: Final answer
   x = 4,308,959.46