Finding the Third Proportional to 2,429,415.28 and 5,316,460.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429,415.28 : 5,316,460.31 = 5,316,460.31 : x
2. Step 2: Convert to fraction form
   2,429,415.28/5,316,460.31 = 5,316,460.31/x
3. Step 3: Cross multiply
   2,429,415.28x = 5,316,460.31 × 5,316,460.31
4. Step 4: Simplify right side
   2,429,415.28x = 28,264,750,254,387.60
5. Step 5: Solve for x
   x = 28,264,750,254,387.60/2,429,415.28
6. Step 6: Final answer
   x = 11,634,383.99