Finding the Third Proportional to 3,134,718 and 6,402,276

Step by Step Solution

1. Step 1: Write the proportion equation
   3,134,718 : 6,402,276 = 6,402,276 : x
2. Step 2: Convert to fraction form
   3,134,718/6,402,276 = 6,402,276/x
3. Step 3: Cross multiply
   3,134,718x = 6,402,276 × 6,402,276
4. Step 4: Simplify right side
   3,134,718x = 40,989,137,980,176
5. Step 5: Solve for x
   x = 40,989,137,980,176/3,134,718
6. Step 6: Final answer
   x = 13,075,861.36