Finding the Third Proportional to 28,113,516 and 42,469,812

Step by Step Solution

1. Step 1: Write the proportion equation
   28,113,516 : 42,469,812 = 42,469,812 : x
2. Step 2: Convert to fraction form
   28,113,516/42,469,812 = 42,469,812/x
3. Step 3: Cross multiply
   28,113,516x = 42,469,812 × 42,469,812
4. Step 4: Simplify right side
   28,113,516x = 1,803,684,931,315,344
5. Step 5: Solve for x
   x = 1,803,684,931,315,344/28,113,516
6. Step 6: Final answer
   x = 64,157,216.45