Finding the Third Proportional to 19,791,256.50 and 42,966,531

Step by Step Solution

1. Step 1: Write the proportion equation
   19,791,256.50 : 42,966,531 = 42,966,531 : x
2. Step 2: Convert to fraction form
   19,791,256.50/42,966,531 = 42,966,531/x
3. Step 3: Cross multiply
   19,791,256.50x = 42,966,531 × 42,966,531
4. Step 4: Simplify right side
   19,791,256.50x = 1,846,122,786,173,961
5. Step 5: Solve for x
   x = 1,846,122,786,173,961/19,791,256.50
6. Step 6: Final answer
   x = 93,279,716.03