Finding the Third Proportional to 11,776,287 and 17,776,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,776,287 : 17,776,390.50 = 17,776,390.50 : x
2. Step 2: Convert to fraction form
   11,776,287/17,776,390.50 = 17,776,390.50/x
3. Step 3: Cross multiply
   11,776,287x = 17,776,390.50 × 17,776,390.50
4. Step 4: Simplify right side
   11,776,287x = 316,000,059,208,490.25
5. Step 5: Solve for x
   x = 316,000,059,208,490.25/11,776,287
6. Step 6: Final answer
   x = 26,833,590.18