Finding the Third Proportional to 91,691,496 and 137,174,168

Step by Step Solution

1. Step 1: Write the proportion equation
   91,691,496 : 137,174,168 = 137,174,168 : x
2. Step 2: Convert to fraction form
   91,691,496/137,174,168 = 137,174,168/x
3. Step 3: Cross multiply
   91,691,496x = 137,174,168 × 137,174,168
4. Step 4: Simplify right side
   91,691,496x = 18,816,752,366,492,224
5. Step 5: Solve for x
   x = 18,816,752,366,492,224/91,691,496
6. Step 6: Final answer
   x = 205,218,075.69