Finding the Third Proportional to 189,063.25 and 292,890

Step by Step Solution

1. Step 1: Write the proportion equation
   189,063.25 : 292,890 = 292,890 : x
2. Step 2: Convert to fraction form
   189,063.25/292,890 = 292,890/x
3. Step 3: Cross multiply
   189,063.25x = 292,890 × 292,890
4. Step 4: Simplify right side
   189,063.25x = 85,784,552,100
5. Step 5: Solve for x
   x = 85,784,552,100/189,063.25
6. Step 6: Final answer
   x = 453,734.67