Finding the Third Proportional to 248,929,645 and 359,629,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,929,645 : 359,629,384.50 = 359,629,384.50 : x
2. Step 2: Convert to fraction form
   248,929,645/359,629,384.50 = 359,629,384.50/x
3. Step 3: Cross multiply
   248,929,645x = 359,629,384.50 × 359,629,384.50
4. Step 4: Simplify right side
   248,929,645x = 129,333,294,195,848,848
5. Step 5: Solve for x
   x = 129,333,294,195,848,848/248,929,645
6. Step 6: Final answer
   x = 519,557,621.17