Finding the Third Proportional to 20,702,101.50 and 42,082,988.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,702,101.50 : 42,082,988.06 = 42,082,988.06 : x
2. Step 2: Convert to fraction form
   20,702,101.50/42,082,988.06 = 42,082,988.06/x
3. Step 3: Cross multiply
   20,702,101.50x = 42,082,988.06 × 42,082,988.06
4. Step 4: Simplify right side
   20,702,101.50x = 1,770,977,884,268,517.50
5. Step 5: Solve for x
   x = 1,770,977,884,268,517.50/20,702,101.50
6. Step 6: Final answer
   x = 85,545,802.40