Finding the Third Proportional to 3,663,368 and 5,385,356

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,368 : 5,385,356 = 5,385,356 : x
2. Step 2: Convert to fraction form
   3,663,368/5,385,356 = 5,385,356/x
3. Step 3: Cross multiply
   3,663,368x = 5,385,356 × 5,385,356
4. Step 4: Simplify right side
   3,663,368x = 29,002,059,246,736
5. Step 5: Solve for x
   x = 29,002,059,246,736/3,663,368
6. Step 6: Final answer
   x = 7,916,774.74