Finding the Third Proportional to 1,478,938 and 2,113,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,938 : 2,113,430 = 2,113,430 : x
2. Step 2: Convert to fraction form
   1,478,938/2,113,430 = 2,113,430/x
3. Step 3: Cross multiply
   1,478,938x = 2,113,430 × 2,113,430
4. Step 4: Simplify right side
   1,478,938x = 4,466,586,364,900
5. Step 5: Solve for x
   x = 4,466,586,364,900/1,478,938
6. Step 6: Final answer
   x = 3,020,130.91