Finding the Third Proportional to 34,621,240 and 74,987,638

Step by Step Solution

1. Step 1: Write the proportion equation
   34,621,240 : 74,987,638 = 74,987,638 : x
2. Step 2: Convert to fraction form
   34,621,240/74,987,638 = 74,987,638/x
3. Step 3: Cross multiply
   34,621,240x = 74,987,638 × 74,987,638
4. Step 4: Simplify right side
   34,621,240x = 5,623,145,852,819,044
5. Step 5: Solve for x
   x = 5,623,145,852,819,044/34,621,240
6. Step 6: Final answer
   x = 162,418,961.68