Finding the Third Proportional to 5,615,398 and 8,625,938

Step by Step Solution

1. Step 1: Write the proportion equation
   5,615,398 : 8,625,938 = 8,625,938 : x
2. Step 2: Convert to fraction form
   5,615,398/8,625,938 = 8,625,938/x
3. Step 3: Cross multiply
   5,615,398x = 8,625,938 × 8,625,938
4. Step 4: Simplify right side
   5,615,398x = 74,406,806,379,844
5. Step 5: Solve for x
   x = 74,406,806,379,844/5,615,398
6. Step 6: Final answer
   x = 13,250,495.58