Finding the Third Proportional to 147,787.50 and 306,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,787.50 : 306,085.50 = 306,085.50 : x
2. Step 2: Convert to fraction form
   147,787.50/306,085.50 = 306,085.50/x
3. Step 3: Cross multiply
   147,787.50x = 306,085.50 × 306,085.50
4. Step 4: Simplify right side
   147,787.50x = 93,688,333,310.25
5. Step 5: Solve for x
   x = 93,688,333,310.25/147,787.50
6. Step 6: Final answer
   x = 633,939.50