Finding the Third Proportional to 63,688,039 and 139,300,294

Step by Step Solution

1. Step 1: Write the proportion equation
   63,688,039 : 139,300,294 = 139,300,294 : x
2. Step 2: Convert to fraction form
   63,688,039/139,300,294 = 139,300,294/x
3. Step 3: Cross multiply
   63,688,039x = 139,300,294 × 139,300,294
4. Step 4: Simplify right side
   63,688,039x = 19,404,571,908,486,436
5. Step 5: Solve for x
   x = 19,404,571,908,486,436/63,688,039
6. Step 6: Final answer
   x = 304,681,573.07