Finding the Third Proportional to 7,402,872 and 17,833,818

Step by Step Solution

1. Step 1: Write the proportion equation
   7,402,872 : 17,833,818 = 17,833,818 : x
2. Step 2: Convert to fraction form
   7,402,872/17,833,818 = 17,833,818/x
3. Step 3: Cross multiply
   7,402,872x = 17,833,818 × 17,833,818
4. Step 4: Simplify right side
   7,402,872x = 318,045,064,457,124
5. Step 5: Solve for x
   x = 318,045,064,457,124/7,402,872
6. Step 6: Final answer
   x = 42,962,388.71