Finding the Third Proportional to 19,528,455 and 42,528,590.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,528,455 : 42,528,590.25 = 42,528,590.25 : x
2. Step 2: Convert to fraction form
   19,528,455/42,528,590.25 = 42,528,590.25/x
3. Step 3: Cross multiply
   19,528,455x = 42,528,590.25 × 42,528,590.25
4. Step 4: Simplify right side
   19,528,455x = 1,808,680,988,652,395
5. Step 5: Solve for x
   x = 1,808,680,988,652,395/19,528,455
6. Step 6: Final answer
   x = 92,617,720.59