Finding the Third Proportional to 19,687,565 and 30,813,672

Step by Step Solution

1. Step 1: Write the proportion equation
   19,687,565 : 30,813,672 = 30,813,672 : x
2. Step 2: Convert to fraction form
   19,687,565/30,813,672 = 30,813,672/x
3. Step 3: Cross multiply
   19,687,565x = 30,813,672 × 30,813,672
4. Step 4: Simplify right side
   19,687,565x = 949,482,382,123,584
5. Step 5: Solve for x
   x = 949,482,382,123,584/19,687,565
6. Step 6: Final answer
   x = 48,227,517.32