Finding the Third Proportional to 2,105,188 and 4,630,280

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,188 : 4,630,280 = 4,630,280 : x
2. Step 2: Convert to fraction form
   2,105,188/4,630,280 = 4,630,280/x
3. Step 3: Cross multiply
   2,105,188x = 4,630,280 × 4,630,280
4. Step 4: Simplify right side
   2,105,188x = 21,439,492,878,400
5. Step 5: Solve for x
   x = 21,439,492,878,400/2,105,188
6. Step 6: Final answer
   x = 10,184,122.69