Finding the Third Proportional to 28,677 and 67,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,677 : 67,471.50 = 67,471.50 : x
2. Step 2: Convert to fraction form
   28,677/67,471.50 = 67,471.50/x
3. Step 3: Cross multiply
   28,677x = 67,471.50 × 67,471.50
4. Step 4: Simplify right side
   28,677x = 4,552,403,312.25
5. Step 5: Solve for x
   x = 4,552,403,312.25/28,677
6. Step 6: Final answer
   x = 158,747.54