Finding the Third Proportional to 7,142,553 and 10,730,124

Step by Step Solution

1. Step 1: Write the proportion equation
   7,142,553 : 10,730,124 = 10,730,124 : x
2. Step 2: Convert to fraction form
   7,142,553/10,730,124 = 10,730,124/x
3. Step 3: Cross multiply
   7,142,553x = 10,730,124 × 10,730,124
4. Step 4: Simplify right side
   7,142,553x = 115,135,561,055,376
5. Step 5: Solve for x
   x = 115,135,561,055,376/7,142,553
6. Step 6: Final answer
   x = 16,119,664.92