Finding the Third Proportional to 19,859,913.50 and 42,854,956

Step by Step Solution

1. Step 1: Write the proportion equation
   19,859,913.50 : 42,854,956 = 42,854,956 : x
2. Step 2: Convert to fraction form
   19,859,913.50/42,854,956 = 42,854,956/x
3. Step 3: Cross multiply
   19,859,913.50x = 42,854,956 × 42,854,956
4. Step 4: Simplify right side
   19,859,913.50x = 1,836,547,253,761,936
5. Step 5: Solve for x
   x = 1,836,547,253,761,936/19,859,913.50
6. Step 6: Final answer
   x = 92,475,088.26