Finding the Third Proportional to 109,089,532 and 242,394,012

Step by Step Solution

1. Step 1: Write the proportion equation
   109,089,532 : 242,394,012 = 242,394,012 : x
2. Step 2: Convert to fraction form
   109,089,532/242,394,012 = 242,394,012/x
3. Step 3: Cross multiply
   109,089,532x = 242,394,012 × 242,394,012
4. Step 4: Simplify right side
   109,089,532x = 58,754,857,053,456,144
5. Step 5: Solve for x
   x = 58,754,857,053,456,144/109,089,532
6. Step 6: Final answer
   x = 538,592,988.50