Finding the Third Proportional to 19,528,454 and 42,528,589

Step by Step Solution

1. Step 1: Write the proportion equation
   19,528,454 : 42,528,589 = 42,528,589 : x
2. Step 2: Convert to fraction form
   19,528,454/42,528,589 = 42,528,589/x
3. Step 3: Cross multiply
   19,528,454x = 42,528,589 × 42,528,589
4. Step 4: Simplify right side
   19,528,454x = 1,808,680,882,330,921
5. Step 5: Solve for x
   x = 1,808,680,882,330,921/19,528,454
6. Step 6: Final answer
   x = 92,617,719.88