Finding the Third Proportional to 63,315 and 147,916.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,315 : 147,916.50 = 147,916.50 : x
2. Step 2: Convert to fraction form
   63,315/147,916.50 = 147,916.50/x
3. Step 3: Cross multiply
   63,315x = 147,916.50 × 147,916.50
4. Step 4: Simplify right side
   63,315x = 21,879,290,972.25
5. Step 5: Solve for x
   x = 21,879,290,972.25/63,315
6. Step 6: Final answer
   x = 345,562.52