Finding the Third Proportional to 4,938,572 and 7,421,007

Step by Step Solution

1. Step 1: Write the proportion equation
   4,938,572 : 7,421,007 = 7,421,007 : x
2. Step 2: Convert to fraction form
   4,938,572/7,421,007 = 7,421,007/x
3. Step 3: Cross multiply
   4,938,572x = 7,421,007 × 7,421,007
4. Step 4: Simplify right side
   4,938,572x = 55,071,344,894,049
5. Step 5: Solve for x
   x = 55,071,344,894,049/4,938,572
6. Step 6: Final answer
   x = 11,151,269.01