Finding the Third Proportional to 71,645,978 and 155,456,050

Step by Step Solution

1. Step 1: Write the proportion equation
   71,645,978 : 155,456,050 = 155,456,050 : x
2. Step 2: Convert to fraction form
   71,645,978/155,456,050 = 155,456,050/x
3. Step 3: Cross multiply
   71,645,978x = 155,456,050 × 155,456,050
4. Step 4: Simplify right side
   71,645,978x = 24,166,583,481,602,500
5. Step 5: Solve for x
   x = 24,166,583,481,602,500/71,645,978
6. Step 6: Final answer
   x = 337,305,514.65