Finding the Third Proportional to 1,409,784 and 2,115,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,784 : 2,115,108 = 2,115,108 : x
2. Step 2: Convert to fraction form
   1,409,784/2,115,108 = 2,115,108/x
3. Step 3: Cross multiply
   1,409,784x = 2,115,108 × 2,115,108
4. Step 4: Simplify right side
   1,409,784x = 4,473,681,851,664
5. Step 5: Solve for x
   x = 4,473,681,851,664/1,409,784
6. Step 6: Final answer
   x = 3,173,310.13