Finding the Third Proportional to 3,435,888 and 7,326,780

Step by Step Solution

1. Step 1: Write the proportion equation
   3,435,888 : 7,326,780 = 7,326,780 : x
2. Step 2: Convert to fraction form
   3,435,888/7,326,780 = 7,326,780/x
3. Step 3: Cross multiply
   3,435,888x = 7,326,780 × 7,326,780
4. Step 4: Simplify right side
   3,435,888x = 53,681,705,168,400
5. Step 5: Solve for x
   x = 53,681,705,168,400/3,435,888
6. Step 6: Final answer
   x = 15,623,822.77