Finding the Third Proportional to 56,553,538 and 123,184,648

Step by Step Solution

1. Step 1: Write the proportion equation
   56,553,538 : 123,184,648 = 123,184,648 : x
2. Step 2: Convert to fraction form
   56,553,538/123,184,648 = 123,184,648/x
3. Step 3: Cross multiply
   56,553,538x = 123,184,648 × 123,184,648
4. Step 4: Simplify right side
   56,553,538x = 15,174,457,502,883,904
5. Step 5: Solve for x
   x = 15,174,457,502,883,904/56,553,538
6. Step 6: Final answer
   x = 268,320,215.49