Finding the Third Proportional to 2,558,582 and 5,298,316

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,582 : 5,298,316 = 5,298,316 : x
2. Step 2: Convert to fraction form
   2,558,582/5,298,316 = 5,298,316/x
3. Step 3: Cross multiply
   2,558,582x = 5,298,316 × 5,298,316
4. Step 4: Simplify right side
   2,558,582x = 28,072,152,435,856
5. Step 5: Solve for x
   x = 28,072,152,435,856/2,558,582
6. Step 6: Final answer
   x = 10,971,761.87