Finding the Third Proportional to 11,786,490 and 17,607,150

Step by Step Solution

1. Step 1: Write the proportion equation
   11,786,490 : 17,607,150 = 17,607,150 : x
2. Step 2: Convert to fraction form
   11,786,490/17,607,150 = 17,607,150/x
3. Step 3: Cross multiply
   11,786,490x = 17,607,150 × 17,607,150
4. Step 4: Simplify right side
   11,786,490x = 310,011,731,122,500
5. Step 5: Solve for x
   x = 310,011,731,122,500/11,786,490
6. Step 6: Final answer
   x = 26,302,294.50