Finding the Third Proportional to 1,421,199 and 2,184,498

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,199 : 2,184,498 = 2,184,498 : x
2. Step 2: Convert to fraction form
   1,421,199/2,184,498 = 2,184,498/x
3. Step 3: Cross multiply
   1,421,199x = 2,184,498 × 2,184,498
4. Step 4: Simplify right side
   1,421,199x = 4,772,031,512,004
5. Step 5: Solve for x
   x = 4,772,031,512,004/1,421,199
6. Step 6: Final answer
   x = 3,357,750.40