Finding the Third Proportional to 5,387,013 and 7,558,947

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387,013 : 7,558,947 = 7,558,947 : x
2. Step 2: Convert to fraction form
   5,387,013/7,558,947 = 7,558,947/x
3. Step 3: Cross multiply
   5,387,013x = 7,558,947 × 7,558,947
4. Step 4: Simplify right side
   5,387,013x = 57,137,679,748,809
5. Step 5: Solve for x
   x = 57,137,679,748,809/5,387,013
6. Step 6: Final answer
   x = 10,606,560.58