Finding the Third Proportional to 63,801,243 and 139,953,558

Step by Step Solution

1. Step 1: Write the proportion equation
   63,801,243 : 139,953,558 = 139,953,558 : x
2. Step 2: Convert to fraction form
   63,801,243/139,953,558 = 139,953,558/x
3. Step 3: Cross multiply
   63,801,243x = 139,953,558 × 139,953,558
4. Step 4: Simplify right side
   63,801,243x = 19,586,998,396,859,364
5. Step 5: Solve for x
   x = 19,586,998,396,859,364/63,801,243
6. Step 6: Final answer
   x = 307,000,263.25