Finding the Third Proportional to 31,302.38 and 69,602.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,302.38 : 69,602.63 = 69,602.63 : x
2. Step 2: Convert to fraction form
   31,302.38/69,602.63 = 69,602.63/x
3. Step 3: Cross multiply
   31,302.38x = 69,602.63 × 69,602.63
4. Step 4: Simplify right side
   31,302.38x = 4,844,525,406.89
5. Step 5: Solve for x
   x = 4,844,525,406.89/31,302.38
6. Step 6: Final answer
   x = 154,765.43