Finding the Third Proportional to 11,157,669 and 17,066,983.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,157,669 : 17,066,983.50 = 17,066,983.50 : x
2. Step 2: Convert to fraction form
   11,157,669/17,066,983.50 = 17,066,983.50/x
3. Step 3: Cross multiply
   11,157,669x = 17,066,983.50 × 17,066,983.50
4. Step 4: Simplify right side
   11,157,669x = 291,281,925,789,272.25
5. Step 5: Solve for x
   x = 291,281,925,789,272.25/11,157,669
6. Step 6: Final answer
   x = 26,105,983.77