Finding the Third Proportional to 1,994,402 and 4,269,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994,402 : 4,269,028 = 4,269,028 : x
2. Step 2: Convert to fraction form
   1,994,402/4,269,028 = 4,269,028/x
3. Step 3: Cross multiply
   1,994,402x = 4,269,028 × 4,269,028
4. Step 4: Simplify right side
   1,994,402x = 18,224,600,064,784
5. Step 5: Solve for x
   x = 18,224,600,064,784/1,994,402
6. Step 6: Final answer
   x = 9,137,876.95