Finding the Third Proportional to 17,991,012 and 26,311,776

Step by Step Solution

1. Step 1: Write the proportion equation
   17,991,012 : 26,311,776 = 26,311,776 : x
2. Step 2: Convert to fraction form
   17,991,012/26,311,776 = 26,311,776/x
3. Step 3: Cross multiply
   17,991,012x = 26,311,776 × 26,311,776
4. Step 4: Simplify right side
   17,991,012x = 692,309,556,274,176
5. Step 5: Solve for x
   x = 692,309,556,274,176/17,991,012
6. Step 6: Final answer
   x = 38,480,856.79