Finding the Third Proportional to 34,427.81 and 72,988.88

Step by Step Solution

1. Step 1: Write the proportion equation
   34,427.81 : 72,988.88 = 72,988.88 : x
2. Step 2: Convert to fraction form
   34,427.81/72,988.88 = 72,988.88/x
3. Step 3: Cross multiply
   34,427.81x = 72,988.88 × 72,988.88
4. Step 4: Simplify right side
   34,427.81x = 5,327,375,873.77
5. Step 5: Solve for x
   x = 5,327,375,873.77/34,427.81
6. Step 6: Final answer
   x = 154,740.47