Finding the Third Proportional to 20,402,432 and 43,107,510

Step by Step Solution

1. Step 1: Write the proportion equation
   20,402,432 : 43,107,510 = 43,107,510 : x
2. Step 2: Convert to fraction form
   20,402,432/43,107,510 = 43,107,510/x
3. Step 3: Cross multiply
   20,402,432x = 43,107,510 × 43,107,510
4. Step 4: Simplify right side
   20,402,432x = 1,858,257,418,400,100
5. Step 5: Solve for x
   x = 1,858,257,418,400,100/20,402,432
6. Step 6: Final answer
   x = 91,080,191.73