Finding the Third Proportional to 72,329,466 and 158,705,784

Step by Step Solution

1. Step 1: Write the proportion equation
   72,329,466 : 158,705,784 = 158,705,784 : x
2. Step 2: Convert to fraction form
   72,329,466/158,705,784 = 158,705,784/x
3. Step 3: Cross multiply
   72,329,466x = 158,705,784 × 158,705,784
4. Step 4: Simplify right side
   72,329,466x = 25,187,525,875,054,656
5. Step 5: Solve for x
   x = 25,187,525,875,054,656/72,329,466
6. Step 6: Final answer
   x = 348,233,261.88