Finding the Third Proportional to 21,091,347 and 32,870,286

Step by Step Solution

1. Step 1: Write the proportion equation
   21,091,347 : 32,870,286 = 32,870,286 : x
2. Step 2: Convert to fraction form
   21,091,347/32,870,286 = 32,870,286/x
3. Step 3: Cross multiply
   21,091,347x = 32,870,286 × 32,870,286
4. Step 4: Simplify right side
   21,091,347x = 1,080,455,701,721,796
5. Step 5: Solve for x
   x = 1,080,455,701,721,796/21,091,347
6. Step 6: Final answer
   x = 51,227,439.47