Finding the Third Proportional to 7,398,899,123.50 and 10,690,131,527

Step by Step Solution

1. Step 1: Write the proportion equation
   7,398,899,123.50 : 10,690,131,527 = 10,690,131,527 : x
2. Step 2: Convert to fraction form
   7,398,899,123.50/10,690,131,527 = 10,690,131,527/x
3. Step 3: Cross multiply
   7,398,899,123.50x = 10,690,131,527 × 10,690,131,527
4. Step 4: Simplify right side
   7,398,899,123.50x = 114,278,912,064,559,349,760
5. Step 5: Solve for x
   x = 114,278,912,064,559,349,760/7,398,899,123.50
6. Step 6: Final answer
   x = 15,445,393,991.33