Finding the Third Proportional to 31,561.31 and 69,060.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,561.31 : 69,060.94 = 69,060.94 : x
2. Step 2: Convert to fraction form
   31,561.31/69,060.94 = 69,060.94/x
3. Step 3: Cross multiply
   31,561.31x = 69,060.94 × 69,060.94
4. Step 4: Simplify right side
   31,561.31x = 4,769,413,088.38
5. Step 5: Solve for x
   x = 4,769,413,088.38/31,561.31
6. Step 6: Final answer
   x = 151,115.80