Finding the Third Proportional to 11,139,011.25 and 17,724,357

Step by Step Solution

1. Step 1: Write the proportion equation
   11,139,011.25 : 17,724,357 = 17,724,357 : x
2. Step 2: Convert to fraction form
   11,139,011.25/17,724,357 = 17,724,357/x
3. Step 3: Cross multiply
   11,139,011.25x = 17,724,357 × 17,724,357
4. Step 4: Simplify right side
   11,139,011.25x = 314,152,831,063,449
5. Step 5: Solve for x
   x = 314,152,831,063,449/11,139,011.25
6. Step 6: Final answer
   x = 28,202,936.87