Finding the Third Proportional to 55,452,042 and 123,654,274

Step by Step Solution

1. Step 1: Write the proportion equation
   55,452,042 : 123,654,274 = 123,654,274 : x
2. Step 2: Convert to fraction form
   55,452,042/123,654,274 = 123,654,274/x
3. Step 3: Cross multiply
   55,452,042x = 123,654,274 × 123,654,274
4. Step 4: Simplify right side
   55,452,042x = 15,290,379,478,467,076
5. Step 5: Solve for x
   x = 15,290,379,478,467,076/55,452,042
6. Step 6: Final answer
   x = 275,740,602.64