Finding the Third Proportional to 81,116 and 174,706.63

Step by Step Solution

1. Step 1: Write the proportion equation
   81,116 : 174,706.63 = 174,706.63 : x
2. Step 2: Convert to fraction form
   81,116/174,706.63 = 174,706.63/x
3. Step 3: Cross multiply
   81,116x = 174,706.63 × 174,706.63
4. Step 4: Simplify right side
   81,116x = 30,522,404,818.89
5. Step 5: Solve for x
   x = 30,522,404,818.89/81,116
6. Step 6: Final answer
   x = 376,280.94