Finding the Third Proportional to 156,640 and 237,146

Step by Step Solution

1. Step 1: Write the proportion equation
   156,640 : 237,146 = 237,146 : x
2. Step 2: Convert to fraction form
   156,640/237,146 = 237,146/x
3. Step 3: Cross multiply
   156,640x = 237,146 × 237,146
4. Step 4: Simplify right side
   156,640x = 56,238,225,316
5. Step 5: Solve for x
   x = 56,238,225,316/156,640
6. Step 6: Final answer
   x = 359,028.51