Finding the Third Proportional to 549,581,642 and 1,185,254,308

Step by Step Solution

1. Step 1: Write the proportion equation
   549,581,642 : 1,185,254,308 = 1,185,254,308 : x
2. Step 2: Convert to fraction form
   549,581,642/1,185,254,308 = 1,185,254,308/x
3. Step 3: Cross multiply
   549,581,642x = 1,185,254,308 × 1,185,254,308
4. Step 4: Simplify right side
   549,581,642x = 1,404,827,774,632,558,848
5. Step 5: Solve for x
   x = 1,404,827,774,632,558,848/549,581,642
6. Step 6: Final answer
   x = 2,556,176,675.63