Finding the Third Proportional to 34,672.50 and 74,688.75

Step by Step Solution

1. Step 1: Write the proportion equation
   34,672.50 : 74,688.75 = 74,688.75 : x
2. Step 2: Convert to fraction form
   34,672.50/74,688.75 = 74,688.75/x
3. Step 3: Cross multiply
   34,672.50x = 74,688.75 × 74,688.75
4. Step 4: Simplify right side
   34,672.50x = 5,578,409,376.56
5. Step 5: Solve for x
   x = 5,578,409,376.56/34,672.50
6. Step 6: Final answer
   x = 160,888.58