Finding the Third Proportional to 2,506,428 and 5,298,588

Step by Step Solution

1. Step 1: Write the proportion equation
   2,506,428 : 5,298,588 = 5,298,588 : x
2. Step 2: Convert to fraction form
   2,506,428/5,298,588 = 5,298,588/x
3. Step 3: Cross multiply
   2,506,428x = 5,298,588 × 5,298,588
4. Step 4: Simplify right side
   2,506,428x = 28,075,034,793,744
5. Step 5: Solve for x
   x = 28,075,034,793,744/2,506,428
6. Step 6: Final answer
   x = 11,201,213.36