Finding the Third Proportional to 112,711.50 and 266,054.63

Step by Step Solution

1. Step 1: Write the proportion equation
   112,711.50 : 266,054.63 = 266,054.63 : x
2. Step 2: Convert to fraction form
   112,711.50/266,054.63 = 266,054.63/x
3. Step 3: Cross multiply
   112,711.50x = 266,054.63 × 266,054.63
4. Step 4: Simplify right side
   112,711.50x = 70,785,063,483.89
5. Step 5: Solve for x
   x = 70,785,063,483.89/112,711.50
6. Step 6: Final answer
   x = 628,019.89