Finding the Third Proportional to 1,429,830 and 2,977,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,830 : 2,977,272 = 2,977,272 : x
2. Step 2: Convert to fraction form
   1,429,830/2,977,272 = 2,977,272/x
3. Step 3: Cross multiply
   1,429,830x = 2,977,272 × 2,977,272
4. Step 4: Simplify right side
   1,429,830x = 8,864,148,561,984
5. Step 5: Solve for x
   x = 8,864,148,561,984/1,429,830
6. Step 6: Final answer
   x = 6,199,442.28