Finding the Third Proportional to 31,641.50 and 69,598.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,641.50 : 69,598.50 = 69,598.50 : x
2. Step 2: Convert to fraction form
   31,641.50/69,598.50 = 69,598.50/x
3. Step 3: Cross multiply
   31,641.50x = 69,598.50 × 69,598.50
4. Step 4: Simplify right side
   31,641.50x = 4,843,951,202.25
5. Step 5: Solve for x
   x = 4,843,951,202.25/31,641.50
6. Step 6: Final answer
   x = 153,088.55