Finding the Third Proportional to 82,987,949 and 123,809,299

Step by Step Solution

1. Step 1: Write the proportion equation
   82,987,949 : 123,809,299 = 123,809,299 : x
2. Step 2: Convert to fraction form
   82,987,949/123,809,299 = 123,809,299/x
3. Step 3: Cross multiply
   82,987,949x = 123,809,299 × 123,809,299
4. Step 4: Simplify right side
   82,987,949x = 15,328,742,518,871,400
5. Step 5: Solve for x
   x = 15,328,742,518,871,400/82,987,949
6. Step 6: Final answer
   x = 184,710,463.43