Finding the Third Proportional to 58,839 and 90,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,839 : 90,025.50 = 90,025.50 : x
2. Step 2: Convert to fraction form
   58,839/90,025.50 = 90,025.50/x
3. Step 3: Cross multiply
   58,839x = 90,025.50 × 90,025.50
4. Step 4: Simplify right side
   58,839x = 8,104,590,650.25
5. Step 5: Solve for x
   x = 8,104,590,650.25/58,839
6. Step 6: Final answer
   x = 137,741.81