Finding the Third Proportional to 141,013,287.28 and 309,267,079.59

Step by Step Solution

1. Step 1: Write the proportion equation
   141,013,287.28 : 309,267,079.59 = 309,267,079.59 : x
2. Step 2: Convert to fraction form
   141,013,287.28/309,267,079.59 = 309,267,079.59/x
3. Step 3: Cross multiply
   141,013,287.28x = 309,267,079.59 × 309,267,079.59
4. Step 4: Simplify right side
   141,013,287.28x = 95,646,126,520,446,896
5. Step 5: Solve for x
   x = 95,646,126,520,446,896/141,013,287.28
6. Step 6: Final answer
   x = 678,277,404.67