Finding the Third Proportional to 99,688 and 148,092

Step by Step Solution

1. Step 1: Write the proportion equation
   99,688 : 148,092 = 148,092 : x
2. Step 2: Convert to fraction form
   99,688/148,092 = 148,092/x
3. Step 3: Cross multiply
   99,688x = 148,092 × 148,092
4. Step 4: Simplify right side
   99,688x = 21,931,240,464
5. Step 5: Solve for x
   x = 21,931,240,464/99,688
6. Step 6: Final answer
   x = 219,998.80