Finding the Third Proportional to 4,516,534 and 9,687,980

Step by Step Solution

1. Step 1: Write the proportion equation
   4,516,534 : 9,687,980 = 9,687,980 : x
2. Step 2: Convert to fraction form
   4,516,534/9,687,980 = 9,687,980/x
3. Step 3: Cross multiply
   4,516,534x = 9,687,980 × 9,687,980
4. Step 4: Simplify right side
   4,516,534x = 93,856,956,480,400
5. Step 5: Solve for x
   x = 93,856,956,480,400/4,516,534
6. Step 6: Final answer
   x = 20,780,748.35