Finding the Third Proportional to 5,210,202 and 7,869,748

Step by Step Solution

1. Step 1: Write the proportion equation
   5,210,202 : 7,869,748 = 7,869,748 : x
2. Step 2: Convert to fraction form
   5,210,202/7,869,748 = 7,869,748/x
3. Step 3: Cross multiply
   5,210,202x = 7,869,748 × 7,869,748
4. Step 4: Simplify right side
   5,210,202x = 61,932,933,583,504
5. Step 5: Solve for x
   x = 61,932,933,583,504/5,210,202
6. Step 6: Final answer
   x = 11,886,858.43