Finding the Third Proportional to 11,958,588 and 28,074,690

Step by Step Solution

1. Step 1: Write the proportion equation
   11,958,588 : 28,074,690 = 28,074,690 : x
2. Step 2: Convert to fraction form
   11,958,588/28,074,690 = 28,074,690/x
3. Step 3: Cross multiply
   11,958,588x = 28,074,690 × 28,074,690
4. Step 4: Simplify right side
   11,958,588x = 788,188,218,596,100
5. Step 5: Solve for x
   x = 788,188,218,596,100/11,958,588
6. Step 6: Final answer
   x = 65,909,806.29