Finding the Third Proportional to 105,739,090.50 and 161,647,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,739,090.50 : 161,647,826.25 = 161,647,826.25 : x
2. Step 2: Convert to fraction form
   105,739,090.50/161,647,826.25 = 161,647,826.25/x
3. Step 3: Cross multiply
   105,739,090.50x = 161,647,826.25 × 161,647,826.25
4. Step 4: Simplify right side
   105,739,090.50x = 26,130,019,731,350,188
5. Step 5: Solve for x
   x = 26,130,019,731,350,188/105,739,090.50
6. Step 6: Final answer
   x = 247,117,878.62