Finding the Third Proportional to 19,648,535 and 42,283,054

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648,535 : 42,283,054 = 42,283,054 : x
2. Step 2: Convert to fraction form
   19,648,535/42,283,054 = 42,283,054/x
3. Step 3: Cross multiply
   19,648,535x = 42,283,054 × 42,283,054
4. Step 4: Simplify right side
   19,648,535x = 1,787,856,655,566,916
5. Step 5: Solve for x
   x = 1,787,856,655,566,916/19,648,535
6. Step 6: Final answer
   x = 90,991,855.40