Finding the Third Proportional to 42,834,900 and 65,256,180

Step by Step Solution

1. Step 1: Write the proportion equation
   42,834,900 : 65,256,180 = 65,256,180 : x
2. Step 2: Convert to fraction form
   42,834,900/65,256,180 = 65,256,180/x
3. Step 3: Cross multiply
   42,834,900x = 65,256,180 × 65,256,180
4. Step 4: Simplify right side
   42,834,900x = 4,258,369,028,192,400
5. Step 5: Solve for x
   x = 4,258,369,028,192,400/42,834,900
6. Step 6: Final answer
   x = 99,413,539.62