Finding the Third Proportional to 42,224,864 and 90,928,720

Step by Step Solution

1. Step 1: Write the proportion equation
   42,224,864 : 90,928,720 = 90,928,720 : x
2. Step 2: Convert to fraction form
   42,224,864/90,928,720 = 90,928,720/x
3. Step 3: Cross multiply
   42,224,864x = 90,928,720 × 90,928,720
4. Step 4: Simplify right side
   42,224,864x = 8,268,032,120,838,400
5. Step 5: Solve for x
   x = 8,268,032,120,838,400/42,224,864
6. Step 6: Final answer
   x = 195,809,561.89