Finding the Third Proportional to 11,156,739 and 17,227,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,156,739 : 17,227,210.50 = 17,227,210.50 : x
2. Step 2: Convert to fraction form
   11,156,739/17,227,210.50 = 17,227,210.50/x
3. Step 3: Cross multiply
   11,156,739x = 17,227,210.50 × 17,227,210.50
4. Step 4: Simplify right side
   11,156,739x = 296,776,781,611,310.25
5. Step 5: Solve for x
   x = 296,776,781,611,310.25/11,156,739
6. Step 6: Final answer
   x = 26,600,674.41