Finding the Third Proportional to 28,071,852 and 42,315,144

Step by Step Solution

1. Step 1: Write the proportion equation
   28,071,852 : 42,315,144 = 42,315,144 : x
2. Step 2: Convert to fraction form
   28,071,852/42,315,144 = 42,315,144/x
3. Step 3: Cross multiply
   28,071,852x = 42,315,144 × 42,315,144
4. Step 4: Simplify right side
   28,071,852x = 1,790,571,411,740,736
5. Step 5: Solve for x
   x = 1,790,571,411,740,736/28,071,852
6. Step 6: Final answer
   x = 63,785,296.81