Finding the Third Proportional to 188,034 and 402,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,034 : 402,313.50 = 402,313.50 : x
2. Step 2: Convert to fraction form
   188,034/402,313.50 = 402,313.50/x
3. Step 3: Cross multiply
   188,034x = 402,313.50 × 402,313.50
4. Step 4: Simplify right side
   188,034x = 161,856,152,282.25
5. Step 5: Solve for x
   x = 161,856,152,282.25/188,034
6. Step 6: Final answer
   x = 860,781.31