Finding the Third Proportional to 152,980.88 and 215,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,980.88 : 215,050.50 = 215,050.50 : x
2. Step 2: Convert to fraction form
   152,980.88/215,050.50 = 215,050.50/x
3. Step 3: Cross multiply
   152,980.88x = 215,050.50 × 215,050.50
4. Step 4: Simplify right side
   152,980.88x = 46,246,717,550.25
5. Step 5: Solve for x
   x = 46,246,717,550.25/152,980.88
6. Step 6: Final answer
   x = 302,303.92