Finding the Third Proportional to 58,942 and 90,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,942 : 90,134.50 = 90,134.50 : x
2. Step 2: Convert to fraction form
   58,942/90,134.50 = 90,134.50/x
3. Step 3: Cross multiply
   58,942x = 90,134.50 × 90,134.50
4. Step 4: Simplify right side
   58,942x = 8,124,228,090.25
5. Step 5: Solve for x
   x = 8,124,228,090.25/58,942
6. Step 6: Final answer
   x = 137,834.28