Finding the Third Proportional to 3,545,238 and 8,547,354

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,238 : 8,547,354 = 8,547,354 : x
2. Step 2: Convert to fraction form
   3,545,238/8,547,354 = 8,547,354/x
3. Step 3: Cross multiply
   3,545,238x = 8,547,354 × 8,547,354
4. Step 4: Simplify right side
   3,545,238x = 73,057,260,401,316
5. Step 5: Solve for x
   x = 73,057,260,401,316/3,545,238
6. Step 6: Final answer
   x = 20,607,152.58