Finding the Third Proportional to 913,860 and 1,980,108

Step by Step Solution

1. Step 1: Write the proportion equation
   913,860 : 1,980,108 = 1,980,108 : x
2. Step 2: Convert to fraction form
   913,860/1,980,108 = 1,980,108/x
3. Step 3: Cross multiply
   913,860x = 1,980,108 × 1,980,108
4. Step 4: Simplify right side
   913,860x = 3,920,827,691,664
5. Step 5: Solve for x
   x = 3,920,827,691,664/913,860
6. Step 6: Final answer
   x = 4,290,403.01