Finding the Third Proportional to 65,228,341.50 and 139,793,916

Step by Step Solution

1. Step 1: Write the proportion equation
   65,228,341.50 : 139,793,916 = 139,793,916 : x
2. Step 2: Convert to fraction form
   65,228,341.50/139,793,916 = 139,793,916/x
3. Step 3: Cross multiply
   65,228,341.50x = 139,793,916 × 139,793,916
4. Step 4: Simplify right side
   65,228,341.50x = 19,542,338,950,615,056
5. Step 5: Solve for x
   x = 19,542,338,950,615,056/65,228,341.50
6. Step 6: Final answer
   x = 299,598,893.69