Finding the Third Proportional to 152,977.50 and 215,046

Step by Step Solution

1. Step 1: Write the proportion equation
   152,977.50 : 215,046 = 215,046 : x
2. Step 2: Convert to fraction form
   152,977.50/215,046 = 215,046/x
3. Step 3: Cross multiply
   152,977.50x = 215,046 × 215,046
4. Step 4: Simplify right side
   152,977.50x = 46,244,782,116
5. Step 5: Solve for x
   x = 46,244,782,116/152,977.50
6. Step 6: Final answer
   x = 302,297.93