Finding the Third Proportional to 10,485,787.50 and 14,166,981

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485,787.50 : 14,166,981 = 14,166,981 : x
2. Step 2: Convert to fraction form
   10,485,787.50/14,166,981 = 14,166,981/x
3. Step 3: Cross multiply
   10,485,787.50x = 14,166,981 × 14,166,981
4. Step 4: Simplify right side
   10,485,787.50x = 200,703,350,654,361
5. Step 5: Solve for x
   x = 200,703,350,654,361/10,485,787.50
6. Step 6: Final answer
   x = 19,140,512.88