Finding the Third Proportional to 3,139,024 and 4,973,880

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139,024 : 4,973,880 = 4,973,880 : x
2. Step 2: Convert to fraction form
   3,139,024/4,973,880 = 4,973,880/x
3. Step 3: Cross multiply
   3,139,024x = 4,973,880 × 4,973,880
4. Step 4: Simplify right side
   3,139,024x = 24,739,482,254,400
5. Step 5: Solve for x
   x = 24,739,482,254,400/3,139,024
6. Step 6: Final answer
   x = 7,881,265.72