Finding the Third Proportional to 20,128,486 and 43,443,908

Step by Step Solution

1. Step 1: Write the proportion equation
   20,128,486 : 43,443,908 = 43,443,908 : x
2. Step 2: Convert to fraction form
   20,128,486/43,443,908 = 43,443,908/x
3. Step 3: Cross multiply
   20,128,486x = 43,443,908 × 43,443,908
4. Step 4: Simplify right side
   20,128,486x = 1,887,373,142,312,464
5. Step 5: Solve for x
   x = 1,887,373,142,312,464/20,128,486
6. Step 6: Final answer
   x = 93,766,274.44