Finding the Third Proportional to 58,407 and 127,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,407 : 127,870.50 = 127,870.50 : x
2. Step 2: Convert to fraction form
   58,407/127,870.50 = 127,870.50/x
3. Step 3: Cross multiply
   58,407x = 127,870.50 × 127,870.50
4. Step 4: Simplify right side
   58,407x = 16,350,864,770.25
5. Step 5: Solve for x
   x = 16,350,864,770.25/58,407
6. Step 6: Final answer
   x = 279,947.01