Finding the Third Proportional to 6,931,503 and 15,456,780

Step by Step Solution

1. Step 1: Write the proportion equation
   6,931,503 : 15,456,780 = 15,456,780 : x
2. Step 2: Convert to fraction form
   6,931,503/15,456,780 = 15,456,780/x
3. Step 3: Cross multiply
   6,931,503x = 15,456,780 × 15,456,780
4. Step 4: Simplify right side
   6,931,503x = 238,912,047,968,400
5. Step 5: Solve for x
   x = 238,912,047,968,400/6,931,503
6. Step 6: Final answer
   x = 34,467,567.56