Finding the Third Proportional to 174,049,986 and 261,075,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,049,986 : 261,075,010.50 = 261,075,010.50 : x
2. Step 2: Convert to fraction form
   174,049,986/261,075,010.50 = 261,075,010.50/x
3. Step 3: Cross multiply
   174,049,986x = 261,075,010.50 × 261,075,010.50
4. Step 4: Simplify right side
   174,049,986x = 68,160,161,107,575,112
5. Step 5: Solve for x
   x = 68,160,161,107,575,112/174,049,986
6. Step 6: Final answer
   x = 391,612,563.00