Finding the Third Proportional to 20,418,838.50 and 31,632,132

Step by Step Solution

1. Step 1: Write the proportion equation
   20,418,838.50 : 31,632,132 = 31,632,132 : x
2. Step 2: Convert to fraction form
   20,418,838.50/31,632,132 = 31,632,132/x
3. Step 3: Cross multiply
   20,418,838.50x = 31,632,132 × 31,632,132
4. Step 4: Simplify right side
   20,418,838.50x = 1,000,591,774,865,424
5. Step 5: Solve for x
   x = 1,000,591,774,865,424/20,418,838.50
6. Step 6: Final answer
   x = 49,003,363.97