Finding the Third Proportional to 2,210,432 and 4,820,480

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,432 : 4,820,480 = 4,820,480 : x
2. Step 2: Convert to fraction form
   2,210,432/4,820,480 = 4,820,480/x
3. Step 3: Cross multiply
   2,210,432x = 4,820,480 × 4,820,480
4. Step 4: Simplify right side
   2,210,432x = 23,237,027,430,400
5. Step 5: Solve for x
   x = 23,237,027,430,400/2,210,432
6. Step 6: Final answer
   x = 10,512,437.13