Finding the Third Proportional to 15,617 and 31,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,617 : 31,812.50 = 31,812.50 : x
2. Step 2: Convert to fraction form
   15,617/31,812.50 = 31,812.50/x
3. Step 3: Cross multiply
   15,617x = 31,812.50 × 31,812.50
4. Step 4: Simplify right side
   15,617x = 1,012,035,156.25
5. Step 5: Solve for x
   x = 1,012,035,156.25/15,617
6. Step 6: Final answer
   x = 64,803.43