Finding the Third Proportional to 938,620 and 1,407,960

Step by Step Solution

1. Step 1: Write the proportion equation
   938,620 : 1,407,960 = 1,407,960 : x
2. Step 2: Convert to fraction form
   938,620/1,407,960 = 1,407,960/x
3. Step 3: Cross multiply
   938,620x = 1,407,960 × 1,407,960
4. Step 4: Simplify right side
   938,620x = 1,982,351,361,600
5. Step 5: Solve for x
   x = 1,982,351,361,600/938,620
6. Step 6: Final answer
   x = 2,111,985.00