Finding the Third Proportional to 419,012,460 and 987,728,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   419,012,460 : 987,728,971.50 = 987,728,971.50 : x
2. Step 2: Convert to fraction form
   419,012,460/987,728,971.50 = 987,728,971.50/x
3. Step 3: Cross multiply
   419,012,460x = 987,728,971.50 × 987,728,971.50
4. Step 4: Simplify right side
   419,012,460x = 975,608,521,140,447,872
5. Step 5: Solve for x
   x = 975,608,521,140,447,872/419,012,460
6. Step 6: Final answer
   x = 2,328,352,052.20