Finding the Third Proportional to 42,423,361,928 and 63,812,160,408

Step by Step Solution

1. Step 1: Write the proportion equation
   42,423,361,928 : 63,812,160,408 = 63,812,160,408 : x
2. Step 2: Convert to fraction form
   42,423,361,928/63,812,160,408 = 63,812,160,408/x
3. Step 3: Cross multiply
   42,423,361,928x = 63,812,160,408 × 63,812,160,408
4. Step 4: Simplify right side
   42,423,361,928x = 4,071,991,815,936,322,568,192
5. Step 5: Solve for x
   x = 4,071,991,815,936,322,568,192/42,423,361,928
6. Step 6: Final answer
   x = 95,984,656,351.55