Finding the Third Proportional to 148,779 and 223,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,779 : 223,492.50 = 223,492.50 : x
2. Step 2: Convert to fraction form
   148,779/223,492.50 = 223,492.50/x
3. Step 3: Cross multiply
   148,779x = 223,492.50 × 223,492.50
4. Step 4: Simplify right side
   148,779x = 49,948,897,556.25
5. Step 5: Solve for x
   x = 49,948,897,556.25/148,779
6. Step 6: Final answer
   x = 335,725.46