Finding the Third Proportional to 2,912,784 and 4,369,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,784 : 4,369,178 = 4,369,178 : x
2. Step 2: Convert to fraction form
   2,912,784/4,369,178 = 4,369,178/x
3. Step 3: Cross multiply
   2,912,784x = 4,369,178 × 4,369,178
4. Step 4: Simplify right side
   2,912,784x = 19,089,716,395,684
5. Step 5: Solve for x
   x = 19,089,716,395,684/2,912,784
6. Step 6: Final answer
   x = 6,553,770.00