Finding the Third Proportional to 2,168,064 and 4,580,316

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168,064 : 4,580,316 = 4,580,316 : x
2. Step 2: Convert to fraction form
   2,168,064/4,580,316 = 4,580,316/x
3. Step 3: Cross multiply
   2,168,064x = 4,580,316 × 4,580,316
4. Step 4: Simplify right side
   2,168,064x = 20,979,294,659,856
5. Step 5: Solve for x
   x = 20,979,294,659,856/2,168,064
6. Step 6: Final answer
   x = 9,676,510.78