Finding the Third Proportional to 31,988,366 and 69,073,804

Step by Step Solution

1. Step 1: Write the proportion equation
   31,988,366 : 69,073,804 = 69,073,804 : x
2. Step 2: Convert to fraction form
   31,988,366/69,073,804 = 69,073,804/x
3. Step 3: Cross multiply
   31,988,366x = 69,073,804 × 69,073,804
4. Step 4: Simplify right side
   31,988,366x = 4,771,190,399,030,416
5. Step 5: Solve for x
   x = 4,771,190,399,030,416/31,988,366
6. Step 6: Final answer
   x = 149,153,926.74