Finding the Third Proportional to 1,366,899 and 2,991,135

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,899 : 2,991,135 = 2,991,135 : x
2. Step 2: Convert to fraction form
   1,366,899/2,991,135 = 2,991,135/x
3. Step 3: Cross multiply
   1,366,899x = 2,991,135 × 2,991,135
4. Step 4: Simplify right side
   1,366,899x = 8,946,888,588,225
5. Step 5: Solve for x
   x = 8,946,888,588,225/1,366,899
6. Step 6: Final answer
   x = 6,545,391.13