Finding the Third Proportional to 3,553,772 and 5,197,377

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,772 : 5,197,377 = 5,197,377 : x
2. Step 2: Convert to fraction form
   3,553,772/5,197,377 = 5,197,377/x
3. Step 3: Cross multiply
   3,553,772x = 5,197,377 × 5,197,377
4. Step 4: Simplify right side
   3,553,772x = 27,012,727,680,129
5. Step 5: Solve for x
   x = 27,012,727,680,129/3,553,772
6. Step 6: Final answer
   x = 7,601,142.58