Finding the Third Proportional to 70,697.81 and 152,467.31

Step by Step Solution

1. Step 1: Write the proportion equation
   70,697.81 : 152,467.31 = 152,467.31 : x
2. Step 2: Convert to fraction form
   70,697.81/152,467.31 = 152,467.31/x
3. Step 3: Cross multiply
   70,697.81x = 152,467.31 × 152,467.31
4. Step 4: Simplify right side
   70,697.81x = 23,246,281,380.97
5. Step 5: Solve for x
   x = 23,246,281,380.97/70,697.81
6. Step 6: Final answer
   x = 328,811.89