Finding the Third Proportional to 31,107 and 47,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,107 : 47,812.50 = 47,812.50 : x
2. Step 2: Convert to fraction form
   31,107/47,812.50 = 47,812.50/x
3. Step 3: Cross multiply
   31,107x = 47,812.50 × 47,812.50
4. Step 4: Simplify right side
   31,107x = 2,286,035,156.25
5. Step 5: Solve for x
   x = 2,286,035,156.25/31,107
6. Step 6: Final answer
   x = 73,489.41