Finding the Third Proportional to 252,636 and 371,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   252,636 : 371,566.50 = 371,566.50 : x
2. Step 2: Convert to fraction form
   252,636/371,566.50 = 371,566.50/x
3. Step 3: Cross multiply
   252,636x = 371,566.50 × 371,566.50
4. Step 4: Simplify right side
   252,636x = 138,061,663,922.25
5. Step 5: Solve for x
   x = 138,061,663,922.25/252,636
6. Step 6: Final answer
   x = 546,484.52