Finding the Third Proportional to 4,123,140 and 8,357,088

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123,140 : 8,357,088 = 8,357,088 : x
2. Step 2: Convert to fraction form
   4,123,140/8,357,088 = 8,357,088/x
3. Step 3: Cross multiply
   4,123,140x = 8,357,088 × 8,357,088
4. Step 4: Simplify right side
   4,123,140x = 69,840,919,839,744
5. Step 5: Solve for x
   x = 69,840,919,839,744/4,123,140
6. Step 6: Final answer
   x = 16,938,769.93