Finding the Third Proportional to 643,537 and 846,253.50

Step by Step Solution

1. Step 1: Write the proportion equation
   643,537 : 846,253.50 = 846,253.50 : x
2. Step 2: Convert to fraction form
   643,537/846,253.50 = 846,253.50/x
3. Step 3: Cross multiply
   643,537x = 846,253.50 × 846,253.50
4. Step 4: Simplify right side
   643,537x = 716,144,986,262.25
5. Step 5: Solve for x
   x = 716,144,986,262.25/643,537
6. Step 6: Final answer
   x = 1,112,826.44