Finding the Third Proportional to 10,789,420 and 23,117,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789,420 : 23,117,802.50 = 23,117,802.50 : x
2. Step 2: Convert to fraction form
   10,789,420/23,117,802.50 = 23,117,802.50/x
3. Step 3: Cross multiply
   10,789,420x = 23,117,802.50 × 23,117,802.50
4. Step 4: Simplify right side
   10,789,420x = 534,432,792,429,006.25
5. Step 5: Solve for x
   x = 534,432,792,429,006.25/10,789,420
6. Step 6: Final answer
   x = 49,533,041.85