Finding the Third Proportional to 419,013,243 and 987,730,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   419,013,243 : 987,730,726.50 = 987,730,726.50 : x
2. Step 2: Convert to fraction form
   419,013,243/987,730,726.50 = 987,730,726.50/x
3. Step 3: Cross multiply
   419,013,243x = 987,730,726.50 × 987,730,726.50
4. Step 4: Simplify right side
   419,013,243x = 975,611,988,072,217,856
5. Step 5: Solve for x
   x = 975,611,988,072,217,856/419,013,243
6. Step 6: Final answer
   x = 2,328,355,975.31