Finding the Third Proportional to 5,715,470 and 7,873,365

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715,470 : 7,873,365 = 7,873,365 : x
2. Step 2: Convert to fraction form
   5,715,470/7,873,365 = 7,873,365/x
3. Step 3: Cross multiply
   5,715,470x = 7,873,365 × 7,873,365
4. Step 4: Simplify right side
   5,715,470x = 61,989,876,423,225
5. Step 5: Solve for x
   x = 61,989,876,423,225/5,715,470
6. Step 6: Final answer
   x = 10,845,980.54