Finding the Third Proportional to 100,817 and 148,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,817 : 148,925.50 = 148,925.50 : x
2. Step 2: Convert to fraction form
   100,817/148,925.50 = 148,925.50/x
3. Step 3: Cross multiply
   100,817x = 148,925.50 × 148,925.50
4. Step 4: Simplify right side
   100,817x = 22,178,804,550.25
5. Step 5: Solve for x
   x = 22,178,804,550.25/100,817
6. Step 6: Final answer
   x = 219,990.72