Finding the Third Proportional to 58,054 and 89,700

Step by Step Solution

1. Step 1: Write the proportion equation
   58,054 : 89,700 = 89,700 : x
2. Step 2: Convert to fraction form
   58,054/89,700 = 89,700/x
3. Step 3: Cross multiply
   58,054x = 89,700 × 89,700
4. Step 4: Simplify right side
   58,054x = 8,046,090,000
5. Step 5: Solve for x
   x = 8,046,090,000/58,054
6. Step 6: Final answer
   x = 138,596.65