Finding the Third Proportional to 4,706,031 and 9,977,124

Step by Step Solution

1. Step 1: Write the proportion equation
   4,706,031 : 9,977,124 = 9,977,124 : x
2. Step 2: Convert to fraction form
   4,706,031/9,977,124 = 9,977,124/x
3. Step 3: Cross multiply
   4,706,031x = 9,977,124 × 9,977,124
4. Step 4: Simplify right side
   4,706,031x = 99,543,003,311,376
5. Step 5: Solve for x
   x = 99,543,003,311,376/4,706,031
6. Step 6: Final answer
   x = 21,152,220.06