Finding the Third Proportional to 63,801,507 and 139,954,109

Step by Step Solution

1. Step 1: Write the proportion equation
   63,801,507 : 139,954,109 = 139,954,109 : x
2. Step 2: Convert to fraction form
   63,801,507/139,954,109 = 139,954,109/x
3. Step 3: Cross multiply
   63,801,507x = 139,954,109 × 139,954,109
4. Step 4: Simplify right side
   63,801,507x = 19,587,152,625,983,880
5. Step 5: Solve for x
   x = 19,587,152,625,983,880/63,801,507
6. Step 6: Final answer
   x = 307,001,410.26