Finding the Third Proportional to 16,691,350 and 35,587,430

Step by Step Solution

1. Step 1: Write the proportion equation
   16,691,350 : 35,587,430 = 35,587,430 : x
2. Step 2: Convert to fraction form
   16,691,350/35,587,430 = 35,587,430/x
3. Step 3: Cross multiply
   16,691,350x = 35,587,430 × 35,587,430
4. Step 4: Simplify right side
   16,691,350x = 1,266,465,174,004,900
5. Step 5: Solve for x
   x = 1,266,465,174,004,900/16,691,350
6. Step 6: Final answer
   x = 75,875,538.77