Finding the Third Proportional to 43,162,128 and 90,314,640

Step by Step Solution

1. Step 1: Write the proportion equation
   43,162,128 : 90,314,640 = 90,314,640 : x
2. Step 2: Convert to fraction form
   43,162,128/90,314,640 = 90,314,640/x
3. Step 3: Cross multiply
   43,162,128x = 90,314,640 × 90,314,640
4. Step 4: Simplify right side
   43,162,128x = 8,156,734,198,329,600
5. Step 5: Solve for x
   x = 8,156,734,198,329,600/43,162,128
6. Step 6: Final answer
   x = 188,978,963.19