Finding the Third Proportional to 3,493,497 and 7,638,693

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493,497 : 7,638,693 = 7,638,693 : x
2. Step 2: Convert to fraction form
   3,493,497/7,638,693 = 7,638,693/x
3. Step 3: Cross multiply
   3,493,497x = 7,638,693 × 7,638,693
4. Step 4: Simplify right side
   3,493,497x = 58,349,630,748,249
5. Step 5: Solve for x
   x = 58,349,630,748,249/3,493,497
6. Step 6: Final answer
   x = 16,702,356.05