Finding the Third Proportional to 1,364,938 and 2,140,989

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364,938 : 2,140,989 = 2,140,989 : x
2. Step 2: Convert to fraction form
   1,364,938/2,140,989 = 2,140,989/x
3. Step 3: Cross multiply
   1,364,938x = 2,140,989 × 2,140,989
4. Step 4: Simplify right side
   1,364,938x = 4,583,833,898,121
5. Step 5: Solve for x
   x = 4,583,833,898,121/1,364,938
6. Step 6: Final answer
   x = 3,358,272.61