Finding the Third Proportional to 71,820 and 154,301.63

Step by Step Solution

1. Step 1: Write the proportion equation
   71,820 : 154,301.63 = 154,301.63 : x
2. Step 2: Convert to fraction form
   71,820/154,301.63 = 154,301.63/x
3. Step 3: Cross multiply
   71,820x = 154,301.63 × 154,301.63
4. Step 4: Simplify right side
   71,820x = 23,808,991,477.64
5. Step 5: Solve for x
   x = 23,808,991,477.64/71,820
6. Step 6: Final answer
   x = 331,509.21