Finding the Third Proportional to 19,874,535 and 29,155,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,874,535 : 29,155,636.50 = 29,155,636.50 : x
2. Step 2: Convert to fraction form
   19,874,535/29,155,636.50 = 29,155,636.50/x
3. Step 3: Cross multiply
   19,874,535x = 29,155,636.50 × 29,155,636.50
4. Step 4: Simplify right side
   19,874,535x = 850,051,139,720,132.25
5. Step 5: Solve for x
   x = 850,051,139,720,132.25/19,874,535
6. Step 6: Final answer
   x = 42,770,869.34