Finding the Third Proportional to 5,158,620 and 10,931,706

Step by Step Solution

1. Step 1: Write the proportion equation
   5,158,620 : 10,931,706 = 10,931,706 : x
2. Step 2: Convert to fraction form
   5,158,620/10,931,706 = 10,931,706/x
3. Step 3: Cross multiply
   5,158,620x = 10,931,706 × 10,931,706
4. Step 4: Simplify right side
   5,158,620x = 119,502,196,070,436
5. Step 5: Solve for x
   x = 119,502,196,070,436/5,158,620
6. Step 6: Final answer
   x = 23,165,535.76