Finding the Third Proportional to 11,928,865,062.38 and 17,789,851,865.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,928,865,062.38 : 17,789,851,865.81 = 17,789,851,865.81 : x
2. Step 2: Convert to fraction form
   11,928,865,062.38/17,789,851,865.81 = 17,789,851,865.81/x
3. Step 3: Cross multiply
   11,928,865,062.38x = 17,789,851,865.81 × 17,789,851,865.81
4. Step 4: Simplify right side
   11,928,865,062.38x = 316,478,829,407,534,710,784
5. Step 5: Solve for x
   x = 316,478,829,407,534,710,784/11,928,865,062.38
6. Step 6: Final answer
   x = 26,530,506,276.39