Finding the Third Proportional to 40,432 and 56,146

Step by Step Solution

1. Step 1: Write the proportion equation
   40,432 : 56,146 = 56,146 : x
2. Step 2: Convert to fraction form
   40,432/56,146 = 56,146/x
3. Step 3: Cross multiply
   40,432x = 56,146 × 56,146
4. Step 4: Simplify right side
   40,432x = 3,152,373,316
5. Step 5: Solve for x
   x = 3,152,373,316/40,432
6. Step 6: Final answer
   x = 77,967.29