Finding the Third Proportional to 53,403,442 and 109,637,940

Step by Step Solution

1. Step 1: Write the proportion equation
   53,403,442 : 109,637,940 = 109,637,940 : x
2. Step 2: Convert to fraction form
   53,403,442/109,637,940 = 109,637,940/x
3. Step 3: Cross multiply
   53,403,442x = 109,637,940 × 109,637,940
4. Step 4: Simplify right side
   53,403,442x = 12,020,477,887,443,600
5. Step 5: Solve for x
   x = 12,020,477,887,443,600/53,403,442
6. Step 6: Final answer
   x = 225,088,073.68