Finding the Third Proportional to 17,977,674 and 39,620,082

Step by Step Solution

1. Step 1: Write the proportion equation
   17,977,674 : 39,620,082 = 39,620,082 : x
2. Step 2: Convert to fraction form
   17,977,674/39,620,082 = 39,620,082/x
3. Step 3: Cross multiply
   17,977,674x = 39,620,082 × 39,620,082
4. Step 4: Simplify right side
   17,977,674x = 1,569,750,897,686,724
5. Step 5: Solve for x
   x = 1,569,750,897,686,724/17,977,674
6. Step 6: Final answer
   x = 87,316,685.00