Finding the Third Proportional to 187,356 and 276,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,356 : 276,070.50 = 276,070.50 : x
2. Step 2: Convert to fraction form
   187,356/276,070.50 = 276,070.50/x
3. Step 3: Cross multiply
   187,356x = 276,070.50 × 276,070.50
4. Step 4: Simplify right side
   187,356x = 76,214,920,970.25
5. Step 5: Solve for x
   x = 76,214,920,970.25/187,356
6. Step 6: Final answer
   x = 406,791.99