Finding the Third Proportional to 3,175,542 and 7,495,128

Step by Step Solution

1. Step 1: Write the proportion equation
   3,175,542 : 7,495,128 = 7,495,128 : x
2. Step 2: Convert to fraction form
   3,175,542/7,495,128 = 7,495,128/x
3. Step 3: Cross multiply
   3,175,542x = 7,495,128 × 7,495,128
4. Step 4: Simplify right side
   3,175,542x = 56,176,943,736,384
5. Step 5: Solve for x
   x = 56,176,943,736,384/3,175,542
6. Step 6: Final answer
   x = 17,690,505.66