Finding the Third Proportional to 3,681,988 and 7,619,624

Step by Step Solution

1. Step 1: Write the proportion equation
   3,681,988 : 7,619,624 = 7,619,624 : x
2. Step 2: Convert to fraction form
   3,681,988/7,619,624 = 7,619,624/x
3. Step 3: Cross multiply
   3,681,988x = 7,619,624 × 7,619,624
4. Step 4: Simplify right side
   3,681,988x = 58,058,669,901,376
5. Step 5: Solve for x
   x = 58,058,669,901,376/3,681,988
6. Step 6: Final answer
   x = 15,768,294.17