Finding the Third Proportional to 3,553,770 and 5,197,374

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,770 : 5,197,374 = 5,197,374 : x
2. Step 2: Convert to fraction form
   3,553,770/5,197,374 = 5,197,374/x
3. Step 3: Cross multiply
   3,553,770x = 5,197,374 × 5,197,374
4. Step 4: Simplify right side
   3,553,770x = 27,012,696,495,876
5. Step 5: Solve for x
   x = 27,012,696,495,876/3,553,770
6. Step 6: Final answer
   x = 7,601,138.09