Finding the Third Proportional to 10,798,072.50 and 15,278,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,798,072.50 : 15,278,941.50 = 15,278,941.50 : x
2. Step 2: Convert to fraction form
   10,798,072.50/15,278,941.50 = 15,278,941.50/x
3. Step 3: Cross multiply
   10,798,072.50x = 15,278,941.50 × 15,278,941.50
4. Step 4: Simplify right side
   10,798,072.50x = 233,446,053,360,422.25
5. Step 5: Solve for x
   x = 233,446,053,360,422.25/10,798,072.50
6. Step 6: Final answer
   x = 21,619,233.74