Finding the Third Proportional to 63,609,074 and 138,481,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,609,074 : 138,481,608.50 = 138,481,608.50 : x
2. Step 2: Convert to fraction form
   63,609,074/138,481,608.50 = 138,481,608.50/x
3. Step 3: Cross multiply
   63,609,074x = 138,481,608.50 × 138,481,608.50
4. Step 4: Simplify right side
   63,609,074x = 19,177,155,892,747,272
5. Step 5: Solve for x
   x = 19,177,155,892,747,272/63,609,074
6. Step 6: Final answer
   x = 301,484,594.68