Finding the Third Proportional to 62,460 and 99,900

Step by Step Solution

1. Step 1: Write the proportion equation
   62,460 : 99,900 = 99,900 : x
2. Step 2: Convert to fraction form
   62,460/99,900 = 99,900/x
3. Step 3: Cross multiply
   62,460x = 99,900 × 99,900
4. Step 4: Simplify right side
   62,460x = 9,980,010,000
5. Step 5: Solve for x
   x = 9,980,010,000/62,460
6. Step 6: Final answer
   x = 159,782.42