Finding the Third Proportional to 1,430,358 and 2,978,292

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430,358 : 2,978,292 = 2,978,292 : x
2. Step 2: Convert to fraction form
   1,430,358/2,978,292 = 2,978,292/x
3. Step 3: Cross multiply
   1,430,358x = 2,978,292 × 2,978,292
4. Step 4: Simplify right side
   1,430,358x = 8,870,223,237,264
5. Step 5: Solve for x
   x = 8,870,223,237,264/1,430,358
6. Step 6: Final answer
   x = 6,201,400.79