Finding the Third Proportional to 4,973,650 and 7,908,870

Step by Step Solution

1. Step 1: Write the proportion equation
   4,973,650 : 7,908,870 = 7,908,870 : x
2. Step 2: Convert to fraction form
   4,973,650/7,908,870 = 7,908,870/x
3. Step 3: Cross multiply
   4,973,650x = 7,908,870 × 7,908,870
4. Step 4: Simplify right side
   4,973,650x = 62,550,224,676,900
5. Step 5: Solve for x
   x = 62,550,224,676,900/4,973,650
6. Step 6: Final answer
   x = 12,576,322.15