Finding the Third Proportional to 10,789,428 and 23,117,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789,428 : 23,117,818.50 = 23,117,818.50 : x
2. Step 2: Convert to fraction form
   10,789,428/23,117,818.50 = 23,117,818.50/x
3. Step 3: Cross multiply
   10,789,428x = 23,117,818.50 × 23,117,818.50
4. Step 4: Simplify right side
   10,789,428x = 534,433,532,198,942.25
5. Step 5: Solve for x
   x = 534,433,532,198,942.25/10,789,428
6. Step 6: Final answer
   x = 49,533,073.69