Finding the Third Proportional to 2,101,830 and 4,371,402

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101,830 : 4,371,402 = 4,371,402 : x
2. Step 2: Convert to fraction form
   2,101,830/4,371,402 = 4,371,402/x
3. Step 3: Cross multiply
   2,101,830x = 4,371,402 × 4,371,402
4. Step 4: Simplify right side
   2,101,830x = 19,109,155,445,604
5. Step 5: Solve for x
   x = 19,109,155,445,604/2,101,830
6. Step 6: Final answer
   x = 9,091,675.09