Finding the Third Proportional to 55,452,090 and 123,654,356

Step by Step Solution

1. Step 1: Write the proportion equation
   55,452,090 : 123,654,356 = 123,654,356 : x
2. Step 2: Convert to fraction form
   55,452,090/123,654,356 = 123,654,356/x
3. Step 3: Cross multiply
   55,452,090x = 123,654,356 × 123,654,356
4. Step 4: Simplify right side
   55,452,090x = 15,290,399,757,774,736
5. Step 5: Solve for x
   x = 15,290,399,757,774,736/55,452,090
6. Step 6: Final answer
   x = 275,740,729.66