Finding the Third Proportional to 146,772 and 309,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,772 : 309,307.50 = 309,307.50 : x
2. Step 2: Convert to fraction form
   146,772/309,307.50 = 309,307.50/x
3. Step 3: Cross multiply
   146,772x = 309,307.50 × 309,307.50
4. Step 4: Simplify right side
   146,772x = 95,671,129,556.25
5. Step 5: Solve for x
   x = 95,671,129,556.25/146,772
6. Step 6: Final answer
   x = 651,835.02