Finding the Third Proportional to 143,779,753.69 and 314,928,141.75

Step by Step Solution

1. Step 1: Write the proportion equation
   143,779,753.69 : 314,928,141.75 = 314,928,141.75 : x
2. Step 2: Convert to fraction form
   143,779,753.69/314,928,141.75 = 314,928,141.75/x
3. Step 3: Cross multiply
   143,779,753.69x = 314,928,141.75 × 314,928,141.75
4. Step 4: Simplify right side
   143,779,753.69x = 99,179,734,466,108,096
5. Step 5: Solve for x
   x = 99,179,734,466,108,096/143,779,753.69
6. Step 6: Final answer
   x = 689,803,201.93