Finding the Third Proportional to 28,478.06 and 62,317.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,478.06 : 62,317.31 = 62,317.31 : x
2. Step 2: Convert to fraction form
   28,478.06/62,317.31 = 62,317.31/x
3. Step 3: Cross multiply
   28,478.06x = 62,317.31 × 62,317.31
4. Step 4: Simplify right side
   28,478.06x = 3,883,447,437.22
5. Step 5: Solve for x
   x = 3,883,447,437.22/28,478.06
6. Step 6: Final answer
   x = 136,366.28