Finding the Third Proportional to 73,663 and 156,090

Step by Step Solution

1. Step 1: Write the proportion equation
   73,663 : 156,090 = 156,090 : x
2. Step 2: Convert to fraction form
   73,663/156,090 = 156,090/x
3. Step 3: Cross multiply
   73,663x = 156,090 × 156,090
4. Step 4: Simplify right side
   73,663x = 24,364,088,100
5. Step 5: Solve for x
   x = 24,364,088,100/73,663
6. Step 6: Final answer
   x = 330,750.69