Finding the Third Proportional to 109,078,549 and 164,748,972

Step by Step Solution

1. Step 1: Write the proportion equation
   109,078,549 : 164,748,972 = 164,748,972 : x
2. Step 2: Convert to fraction form
   109,078,549/164,748,972 = 164,748,972/x
3. Step 3: Cross multiply
   109,078,549x = 164,748,972 × 164,748,972
4. Step 4: Simplify right side
   109,078,549x = 27,142,223,775,056,784
5. Step 5: Solve for x
   x = 27,142,223,775,056,784/109,078,549
6. Step 6: Final answer
   x = 248,831,910.80