Finding the Third Proportional to 4,909,781.25 and 10,669,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,909,781.25 : 10,669,414.50 = 10,669,414.50 : x
2. Step 2: Convert to fraction form
   4,909,781.25/10,669,414.50 = 10,669,414.50/x
3. Step 3: Cross multiply
   4,909,781.25x = 10,669,414.50 × 10,669,414.50
4. Step 4: Simplify right side
   4,909,781.25x = 113,836,405,772,810.25
5. Step 5: Solve for x
   x = 113,836,405,772,810.25/4,909,781.25
6. Step 6: Final answer
   x = 23,185,636.99