Finding the Third Proportional to 21,410,758.50 and 30,521,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,410,758.50 : 30,521,812.50 = 30,521,812.50 : x
2. Step 2: Convert to fraction form
   21,410,758.50/30,521,812.50 = 30,521,812.50/x
3. Step 3: Cross multiply
   21,410,758.50x = 30,521,812.50 × 30,521,812.50
4. Step 4: Simplify right side
   21,410,758.50x = 931,581,038,285,156.25
5. Step 5: Solve for x
   x = 931,581,038,285,156.25/21,410,758.50
6. Step 6: Final answer
   x = 43,509,950.30