Finding the Third Proportional to 55,452,120 and 123,654,405

Step by Step Solution

1. Step 1: Write the proportion equation
   55,452,120 : 123,654,405 = 123,654,405 : x
2. Step 2: Convert to fraction form
   55,452,120/123,654,405 = 123,654,405/x
3. Step 3: Cross multiply
   55,452,120x = 123,654,405 × 123,654,405
4. Step 4: Simplify right side
   55,452,120x = 15,290,411,875,904,024
5. Step 5: Solve for x
   x = 15,290,411,875,904,024/55,452,120
6. Step 6: Final answer
   x = 275,740,799.02