Finding the Third Proportional to 1,907,142 and 2,880,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907,142 : 2,880,156 = 2,880,156 : x
2. Step 2: Convert to fraction form
   1,907,142/2,880,156 = 2,880,156/x
3. Step 3: Cross multiply
   1,907,142x = 2,880,156 × 2,880,156
4. Step 4: Simplify right side
   1,907,142x = 8,295,298,584,336
5. Step 5: Solve for x
   x = 8,295,298,584,336/1,907,142
6. Step 6: Final answer
   x = 4,349,596.72