Finding the Third Proportional to 4,621,428 and 7,184,174

Step by Step Solution

1. Step 1: Write the proportion equation
   4,621,428 : 7,184,174 = 7,184,174 : x
2. Step 2: Convert to fraction form
   4,621,428/7,184,174 = 7,184,174/x
3. Step 3: Cross multiply
   4,621,428x = 7,184,174 × 7,184,174
4. Step 4: Simplify right side
   4,621,428x = 51,612,356,062,276
5. Step 5: Solve for x
   x = 51,612,356,062,276/4,621,428
6. Step 6: Final answer
   x = 11,168,053.70