Finding the Third Proportional to 11,071,188 and 15,583,860

Step by Step Solution

1. Step 1: Write the proportion equation
   11,071,188 : 15,583,860 = 15,583,860 : x
2. Step 2: Convert to fraction form
   11,071,188/15,583,860 = 15,583,860/x
3. Step 3: Cross multiply
   11,071,188x = 15,583,860 × 15,583,860
4. Step 4: Simplify right side
   11,071,188x = 242,856,692,499,600
5. Step 5: Solve for x
   x = 242,856,692,499,600/11,071,188
6. Step 6: Final answer
   x = 21,935,919.84