Finding the Third Proportional to 19,528,405 and 42,528,506

Step by Step Solution

1. Step 1: Write the proportion equation
   19,528,405 : 42,528,506 = 42,528,506 : x
2. Step 2: Convert to fraction form
   19,528,405/42,528,506 = 42,528,506/x
3. Step 3: Cross multiply
   19,528,405x = 42,528,506 × 42,528,506
4. Step 4: Simplify right side
   19,528,405x = 1,808,673,822,592,036
5. Step 5: Solve for x
   x = 1,808,673,822,592,036/19,528,405
6. Step 6: Final answer
   x = 92,617,590.77