Finding the Third Proportional to 1,798,421 and 3,763,109

Step by Step Solution

1. Step 1: Write the proportion equation
   1,798,421 : 3,763,109 = 3,763,109 : x
2. Step 2: Convert to fraction form
   1,798,421/3,763,109 = 3,763,109/x
3. Step 3: Cross multiply
   1,798,421x = 3,763,109 × 3,763,109
4. Step 4: Simplify right side
   1,798,421x = 14,160,989,345,881
5. Step 5: Solve for x
   x = 14,160,989,345,881/1,798,421
6. Step 6: Final answer
   x = 7,874,123.66