Finding the Third Proportional to 188,034.50 and 402,312

Step by Step Solution

1. Step 1: Write the proportion equation
   188,034.50 : 402,312 = 402,312 : x
2. Step 2: Convert to fraction form
   188,034.50/402,312 = 402,312/x
3. Step 3: Cross multiply
   188,034.50x = 402,312 × 402,312
4. Step 4: Simplify right side
   188,034.50x = 161,854,945,344
5. Step 5: Solve for x
   x = 161,854,945,344/188,034.50
6. Step 6: Final answer
   x = 860,772.60