Finding the Third Proportional to 90,708,798 and 139,613,292

Step by Step Solution

1. Step 1: Write the proportion equation
   90,708,798 : 139,613,292 = 139,613,292 : x
2. Step 2: Convert to fraction form
   90,708,798/139,613,292 = 139,613,292/x
3. Step 3: Cross multiply
   90,708,798x = 139,613,292 × 139,613,292
4. Step 4: Simplify right side
   90,708,798x = 19,491,871,303,077,264
5. Step 5: Solve for x
   x = 19,491,871,303,077,264/90,708,798
6. Step 6: Final answer
   x = 214,884,021.54