Finding the Third Proportional to 3,645,602 and 7,977,428

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,602 : 7,977,428 = 7,977,428 : x
2. Step 2: Convert to fraction form
   3,645,602/7,977,428 = 7,977,428/x
3. Step 3: Cross multiply
   3,645,602x = 7,977,428 × 7,977,428
4. Step 4: Simplify right side
   3,645,602x = 63,639,357,495,184
5. Step 5: Solve for x
   x = 63,639,357,495,184/3,645,602
6. Step 6: Final answer
   x = 17,456,474.27