Finding the Third Proportional to 71,978.63 and 114,994.69

Step by Step Solution

1. Step 1: Write the proportion equation
   71,978.63 : 114,994.69 = 114,994.69 : x
2. Step 2: Convert to fraction form
   71,978.63/114,994.69 = 114,994.69/x
3. Step 3: Cross multiply
   71,978.63x = 114,994.69 × 114,994.69
4. Step 4: Simplify right side
   71,978.63x = 13,223,778,153.22
5. Step 5: Solve for x
   x = 13,223,778,153.22/71,978.63
6. Step 6: Final answer
   x = 183,718.13